REAMING TOOLS

Solid Carbide Reaming Tools for Accurate Reaming.

Reaming Tool Design Highlights

UMG超硬基板
Multi-Land Margin Design
最先端の準備
Optimized Flute Geometry
Unequal Pitch Design
Unique Chamfer Design

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Reaming Tool Types

マシンリーマ

Our solid carbide machine reamers can deliver tight tolerances with high rigidity and wear resistance.

P: スチール
M: ステンレス鋼
K：鋳鉄
H：硬化鋼
微細粒超硬工具材料
DIN 6535HA Stanadrd
円筒形のシャンク
Reaming

スパイラルフルートリーマー

Solid carbide spiral flute reamers feature a spiral flute design to promote chip evacuation with less vibration and higher hole accuracy when reaming blind holes.

P: スチール
M: ステンレス鋼
N：非鉄金属
微細粒超硬工具材料
DIN 6535HA Stanadrd
円筒形のシャンク
Reaming

ストレートフルートリーマー

Straight flute reamers are designed with straight flutes to deliver cutting stability in reaming through holes.

P: スチール
K：鋳鉄
N：非鉄金属
微細粒超硬工具材料
DIN 6535HA Stanadrd
円筒形のシャンク
Reaming

調整式リーマー

Our adjustable reamers are designed with an adjustable diameter design to be flexible for low-volume reaming with high cost-efficiency and accuracy.

P: スチール
M: ステンレス鋼
微細粒超硬工具材料
DIN 6535HA Stanadrd
円筒形のシャンク
Reaming

テーパーリーマ

Taper reamers are designed for taper hole reaming with accurate alignment and surface finishes.

P: スチール
K：鋳鉄
N：非鉄金属
微細粒超硬工具材料
DIN 6535HA Stanadrd
円筒形のシャンク
Reaming

ジヌー

Why Choose Our Reaming Tools?

Our carbide reamers are used for finishing holes with superior dimensional accuracy of H7 and H8 tolerances.

UMG超硬基板

Our reaming tools are manufactured from 0.2μm ultra-fine grain carbide with a uniform grain structure and excellent density.

Multi-Land Margin Design

4 to 8 guide margins are typically distributed along the sizing section of the reaming tool body.

最先端の準備

All the cutting edges of reaming tools are specialized with the controlled edge radius typically ranging from 5–15μm.

最適化されたフルート形状

Designed with precisely-ground flutes, our carbide reamers can achieve efficient hole reaming with specialized helix and flute dimensions.

Unequal Pitch Design

Our reamers are designed with unequal pitch, and variable flute spacing delivers uneven tooth arrangement.

Unique Chamfer Design

Versatile chamfer angles and lead lengths are available to suit machining different workpiece materials with different hole tolerances.

Reaming Tool Geometry Breakdown

1.UMG Carbide Substrate

The 0.2μm ultra-fine grain carbide substrates can deliver higher transverse rupture strength and superior durability, enabling edge stability with minimal edge chipping.

2.Multi-Land Margin Design

Precisely ground multi-land margins offer radial guidance, enhancing hole straightness and cylindricity with sizing stability.

3.Cutting Edge Preparation

Micro-honed cutting edges with 5 to 15 μm edge radius can minimize grinding defects and micro-chipping, improving edge strength and wear resistance.

4.Optimized Flute Geometry

The flutes are optimized with engineered flute profiles and sufficient chip space to promote the chip flow and torsional stiffness.

5.Unequal Pitch Design

In reaming applications, unequal pitch design will disrupt harmonic vibration frequencies, greatly decreasing the tool chatter and enhancing hole roundness.

6.Unique Chamfer Design

Precision-ground lead chamfer features optimized chamfer angles, enabling gradual stock removal and decreased cutting impact to enhance dimensional consistency.

技術データ

超微粒子基板	0.2μm / 0.4μm / 0.6μm
切削径公差	H6
コーティング	AlTiN + TiSiN / TiAlSiN-X / AlTiN / TiAlN / TiAlSiN / DLC / AlCrN / AlCrSiN / AlTiSiN / TiSiXN / カスタマイズ可能
フルートナンバー	6-12
全長	50 / 60 / 75 / 100 / 150 / 200mm / カスタム長さ
シャンク径	4 / 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20mm / カスタム直径

Reaming Tool Specifications

Custom Reaming Tool Size Range
炭化物基板
クイック選択ガイド
推奨切削パラメータ

Tool Category	Series	Standard	Form	Material	表面仕上げ	Hole Tolerance	Cutting Diameter d1 (mm)	Shank Diameter d2 h6 (mm)	Overall Length l1 (mm)	Length l2 (mm)	Length l4 (mm)	No. of Flutes Z	Shank Tolerance
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	1	1	34	15	5.5	3	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	1.2	1.2	38	16.5	7.5	3	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	1.3	1.3	38	16.5	7.5	3	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	1.4	1.4	40	18	8	3	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	1.5	1.5	40	18	8	3	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	1.6	1.6	43	20	9	3	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	1.8	1.8	46	22	10	4	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	1.9	1.9	46	22	10	4	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	2	2	49	24	11	4	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	2.2	2.2	53	25	12	4	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	2.3	2.3	53	25	12	4	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	2.5	2.5	57	29	14	4	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	2.7	2.8	61	33	15	6	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	2.8	2.8	61	33	15	6	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	2.9	3	61	33	15	6	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	3	3	61	33	15	6	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	3.2	3.2	65	37	16	6	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	3.5	3.5	70	42	18	6	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	3.7	3.5	70	42	18	6	h6
マシンリーマ	DIN 212 Cylindrical Shank Series	DIN 212	Cyl	HSS-E	Bright	H7	5.5	5.6	93	57	26	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	3.8	4	75	47	19	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	4	4	75	47	19	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	4.4	4.5	80	52	21	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	4.5	4.5	80	52	21	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	4.7	4.5	80	52	21	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	4.9	5	86	58	23	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	5	5	86	58	23	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	5.1	5	86	58	23	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	5.5	5.6	93	57	26	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	6	5.6	93	57	26	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	6.1	6.3	101	65	28	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	6.2	6.3	101	65	28	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	6.5	6.3	101	65	28	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	6.9	7.1	109	73	31	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	7	7.1	109	73	31	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	7.1	7.1	109	73	31	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	7.2	7.1	109	73	31	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	7.4	7.1	109	73	31	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	7.5	7.1	109	73	31	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	8	8	117	81	33	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	8.1	8	117	81	33	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	8.3	8	117	81	33	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	8.5	8	117	81	33	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	9	9	125	85	36	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	9.2	9	125	85	36	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	9.4	9	125	85	36	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	9.5	9	125	85	36	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	9.8	10	133	93	38	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	9.9	10	133	93	38	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	10	10	133	93	38	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	10.1	10	133	93	38	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	10.5	10	133	93	38	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	10.7	10	142	102	41	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	11	10	142	102	41	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	11.5	10	142	102	41	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	12	10	151	111	44	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	13	10	151	111	44	6	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	14	12.5	160	115	47	8	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	15	12.5	162	117	50	8	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	16	12.5	170	125	52	8	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	17	14	175	130	54	8	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	18	14	182	137	56	8	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	19	16	189	141	58	8	h6
マシンリーマ	DIN 212-2 Cylindrical Shank Series	DIN 212-2	Cyl	HSS-E	Bright	H7	20	16	195	147	60	8	h6

粒度	特徴	適切な材料	アドバンテージ
0.2μ	超微細な結晶粒、極めて高い硬度、非常に鋭い刃先	硬化鋼（HRC60以上）、ステンレス鋼、チタン合金、マイクロ径工具	優れた耐摩耗性と刃先鋭性を持ち、高精度仕上げに最適ですが、靭性は低めです。
0.4μ	超微細粒、優れた硬度と靭性のバランス	硬度と靭性のバランス焼入れ鋼、ステンレス鋼、合金鋼、精密金型鋼	高い耐摩耗性と優れた刃先安定性を備え、仕上げ加工および半仕上げ加工に適しています。
0.6μ	きめ細やかな質感、バランスの取れた性能	炭素鋼、合金鋼、ステンレス鋼、鋳鉄（一般条件）	耐摩耗性と靭性のバランスが良く、汎用性の高いグレードです。
0.7μ	中細粒、靭性向上	一般鋼、低合金鋼、断続切削条件	チッピングに対する耐性が高く、半荒削りや不安定な切削に適しています。
0.8μ	中粒、高靭性	低炭素鋼、粗加工、重切削	耐衝撃性に優れ、荒削りや高い切削安定性が求められる用途に適しています。

材料		加工材料	タイプ
ISO
P	P1	快削鋼	UP / UT / UK / UM / US / UHT / UR / S65 / S60 / S58 / S55 / SM / SEU / SR
	P2	低炭素鋼（C<0.25%）
	P4	中炭素鋼(0.25%), 低合金鋼
	P5	合金鋼、焼入れ焼戻し鋼
	P6	高炭素鋼（C>0.6%）
	P11	フェライト系ステンレス鋼、マルテンサイト系ステンレス鋼
H	H5	焼入れ焼き戻し鋼	UP / UH / UT / UK / UM / UHT / UR / S68 / S65 / SEU
	H7	ベアリング鋼
	H8	工具鋼、高速度鋼
	H12	硬化ステンレス鋼
	H21	亜鉛メッキ鋼
M	M1	オーステナイト系ステンレス鋼	UP / UK / UM / US / UR / S65 / S60 / S58 / SM / SEU
	M2	高強度オーステナイト系ステンレス鋼
	M4	二相ステンレス鋼
S	S1	鉄系超合金	UM / US / UR / SM
	S2	コバルト基超合金
	S3	ニッケル基超合金
	S11	チタン合金（低合金）
	S13	チタン合金（高合金）
K	K1	ねずみ鋳鉄	UP / UK / UM / UR / S65 / S60 / S58 / S55 / SEU / SR
	K2	圧縮黒鉛鋳鉄（CGI）
	K3	可鍛鋳鉄
	K4	ダクタイル鋳鉄
N	N1	アルミニウム-シリコン合金、シリコン含有量<9%	UA / SA / SR
	N2	シリコンアルミニウム合金、9%
	N3	シリコンアルミニウム合金、シリコン含有量>16%
	N4	鋳造アルミニウム合金
	N5	鍛造アルミニウム合金
	N10	銅
	N11	銅合金

ISO	加工材料	加工材料	ブリネル硬度 HB	ロックウェル硬度 HRC	冷却液の種類	切断速度 Vc (m/分)	ドリルビットの直径 d (mm) – 3	ドリルビットの直径d（mm） – 4	ドリルビットの直径d（mm） – 6	ドリルビットの直径d（mm） – 8	ドリルビットの直径 d (mm) – 10	Drill Bits Diameter d (mm) – 12	Drill Bits Diameter d (mm) – 14	Drill Bits Diameter d (mm) – 16	Drill Bits Diameter d (mm) – 18	Drill Bits Diameter d (mm) – 20
P1	鋼鉄部品	快削鋼	<125	–	外部/内部冷却液	90	100	0.07	0.1	0.13	0.16	0.18	0.2	0.22	0.25	0.28
P2	鋼鉄部品	低炭素鋼（C≤0.25%）	<125	–	外部/内部冷却液	90	100	0.07	0.1	0.13	0.16	0.18	0.2	0.22	0.25	0.28
P4	鋼鉄部品	中炭素鋼（C>0.25%）	<220	25歳未満	外部/内部冷却液	85	100	0.07	0.1	0.13	0.16	0.18	0.2	0.22	0.25	0.28
P5	鋼鉄部品	低合金鋼	<220	25歳未満	外部/内部冷却液	85	100	0.07	0.1	0.13	0.16	0.18	0.2	0.22	0.25	0.28
P5	鋼鉄部品	合金鋼、焼入れ焼戻し鋼	<330	28-35	外部/内部冷却液	85	100	0.07	0.1	0.13	0.16	0.18	0.2	0.22	0.25	0.28
P6	鋼鉄部品	High Carbon Steel (C>0.6%)	370-450	45-65	–	–	–	–	–	–	–	–	–	–	–	–
P11	鋼鉄部品	フェライト系鋼／マルテンサイト系ステンレス鋼	250-250	38-50	外部/内部冷却液	60	60	0.07	0.1	0.12	0.14	0.16	0.18	0.2	0.22	0.24
H5	硬化材料	焼入れ焼き戻し鋼	–	35-40	外部/内部冷却液	45	60	0.07	0.1	0.12	0.14	0.16	0.18	0.2	0.22	0.24
H7	硬化材料	ベアリング鋼	–	55-64	–	–	–	–	–	–	–	–	–	–	–	–
H8	硬化材料	工具鋼、高速度鋼	–	38-64	–	–	–	–	–	–	–	–	–	–	–	–
H12	硬化材料	硬化ステンレス鋼	–	33-50	外部/内部冷却液	45	45	0.05	0.06	0.08	0.11	0.13	0.15	0.17	0.18	0.19
H21	硬化材料	亜鉛メッキ鋼	–	35-64	–	–	–	–	–	–	–	–	–	–	–	–
M1	ステンレス鋼	オーステナイト系ステンレス鋼	<150	–	外部/内部冷却液	60	60	0.07	0.1	0.12	0.14	0.15	0.18	0.2	0.22	0.24
M2	ステンレス鋼	高強度オーステナイト系ステンレス鋼	150-230	–	外部/内部冷却液	55	55	0.07	0.1	0.12	0.14	0.15	0.18	0.2	0.22	0.24
M4	ステンレス鋼	二相ステンレス鋼	135-275	–	外部/内部冷却液	45	45	0.05	0.06	0.08	0.11	0.13	0.15	0.17	0.18	0.19
S1	熱とチタン合金	鉄系超合金	160-260	25-48	–	25	–	0.04	0.05	0.06	0.08	0.1	0.12	0.14	0.15	0.16
S2	熱とチタン合金	コバルト基超合金	250-450	25-48	–	25	–	0.04	0.05	0.06	0.08	0.1	0.12	0.14	0.15	0.16
S3	熱とチタン合金	ニッケル基超合金	160-450	–	–	25	–	0.04	0.05	0.06	0.08	0.1	0.12	0.14	0.15	0.16
S11	熱とチタン合金	チタン合金（低合金）	250-350	33-38	–	40	–	0.05	0.06	0.08	0.11	0.13	0.15	0.17	0.18	0.19
S13	熱とチタン合金	チタン合金（高合金）	300-400	36-48	–	32	–	0.04	0.05	0.06	0.08	0.1	0.12	0.14	0.15	0.16
K1	鋳鉄	ねずみ鋳鉄	120-290	<32	外部/内部冷却液	90	100	0.07	0.1	0.13	0.16	0.18	0.2	0.22	0.25	0.28
K2	鋳鉄	圧縮黒鉛鋳鉄（CGI）	120-290	<32	外部/内部冷却液	90	100	0.07	0.1	0.13	0.16	0.18	0.2	0.22	0.25	0.28
K3	鋳鉄	可鍛鋳鉄	130-260	<28	外部/内部冷却液	90	100	0.07	0.1	0.13	0.16	0.18	0.2	0.22	0.25	0.28
K4	鋳鉄	ダクタイル鋳鉄	180-350	<43	外部/内部冷却液	70	80	0.07	0.1	0.13	0.16	0.18	0.2	0.22	0.25	0.28

How JINOO Manufactures Reaming Tool?

精密CNC研削盤

ウォルターヘリトロニックパワー 400L
ウォルターヘリトロニックビジョン 400L
ウォルターヘリトロニックマイクロ 400L
Rollomatic NP5
ANCA MX5
ANCA MX7

German machinery is the strong manufacturing foundation of JINOO. We have introduced the professional production ecosystem to manufacture high-quality reaming tools. Advanced 5-axis CNC grinding machines can boost high-volume manufacturing with tight tolerances.

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高度な品質検査システム

1. ZOLLER G3 ツール測定: Applied for the comprehensive verification of the reamer geometry, dimensional consistency, and flute symmetry with measurement tolerances within ±2 μm.

2. PG1000光学検査： Utilized for the microscopic optical inspection of cutting edges and coating conditions of reaming tools to avoid potential defects.

3. Parlecツールのプリセット設定: Used for inspecting the final tool assembly and machine-side simulation to ensure reamer length accuracy and controlled runout values.

We have formed a professional quality inspection system to ensure 100% quality verification of our reaming tools. In addition, JINOO has employed the ERP system to monitor every manufacturing stage.

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微細粒超硬工具材料

We source fine-grain carbide tool material from well-renowned raw material suppliers like GESAC, Kennametal, Sandvik, ギューリング、, そしてCBセラチジット。.
Featuring high-hardness carbide substrates, our reaming tools can last longer than standard reamers with excellent durability and wear resistance.

JINOO can ensure you 10% to 12% cobalt content in our tungsten carbide.

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再生カーバイドではなく、バージンカーバイドを使用

JINOO’s Virgin Carbide used in our reaming tools:

Higher consistency
優れた剛性
細かい粒
Uniform cobalt distribution
不純物なし
高密度構造

競合他社の劣悪なリサイクル超硬合金：

Unstable tool rigidity
Lower wear resistance.
多くの不純物
緩い構造
低密度
工具寿命が短い

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信頼できるコーティングパートナー

JINOO uses advanced coating technology from Oerlikon Balzers in Switzerland for our reaming tools.
Combined with durable coatings, our reaming tools can extend their tool life under high-volume production to decrease tool changes.
We can customize reaming tools with the most suitable coating to suit your machining requirements.

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高性能コーティング vs. 低品質コーティング

高品質コーティング used in our reaming tools:

Extend their tool life
高密度
高純度
均一な厚さ
Stable tolerance
毛穴や不純物なし

競合他社の劣悪なコーティング 低品質のドリルビットに使用されるもの：

多数のピンホールとひび割れ
厚みが均一ではない
酸化しやすい
緩い構造
Rough surface
不安定なパフォーマンス

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ISO 9001 品質マネジメントシステム

ISO9001:2008認証取得済み
ISO9001:2015認証取得済み
SGS認定メーカー
テュフラインランド認定メーカー
Alibaba.com認定サプライヤー
Made-in-China認証サプライヤー
1688のプラットフォーム認証済みサプライヤー
国家ハイテク企業
常州ハイテク製品認証

JINOO has obtained many international certifications, and we are also a verified supplier on Alibaba and Made-in-China with a high reputation for consistent quality standards.

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技術サポートとツールの最適化

JINOO has obtained many international certifications, and we are also a verified supplier on Alibaba and Made-in-China with a high reputation for consistent quality standards.

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お客様の声

” JINOO is a reliable, solid carbide reamer supplier in China. Their custom reaming tools are the perfect choice to be combined with 超硬ドリルビット. I have bought over 10 thousand carbide reamers from JINOO, and their quality has always come with precision. I highly recommend you try JINOO’s reaming tools for CNC machining to increase your productivity. “
Bob Bain
最高経営責任者（CEO）

FAQ about Reaming Tools

Do you provide customized services of reaming tools?

Of course! We furnish non-standard customization beyond standard sizes according to your personalized needs. Factors such as processing materials, diameter and the choice of coating of JINOO’s carbide reamers can all be modified to meet your exacting requirements. We will provide you with cutting-edge solutions to ensure an exceptional user experience.

What is your MOQ (Minimum Order Quantity) of solid carbide reamers?

If you want JINOO to customize solid carbide reamers for you, there’s generally no minimum order quantity as they are non-standard tools, and even a small order can be accepted.

What payment methods do you accept for reaming tools?

The payment method of our CNC reaming tools can be flexible; we usually accept bank transfer, credit card, and PayPal. If you have other requirements about the payment method, we can modify it based on your order.

How to choose the types of reaming tools for machining?

For various reaming tools suitable for different application scenarios, clients must identify the most suitable one for specific machining requirements.

The automotive and aerospace industries

Reaming tools for the automotive industry are expected to achieve tight hole tolerances in machining crankcases, engine blocks, and transfer cases with H6-H7 grade hole accuracy. Our solid carbide reamer has a long lifespan and high reliability in mass production, which is suitable for automobiles of fixed diameter and batch processing.

Internal coolant reamer is more frequently used in manufacturing aerostructure components and engine blocks, especially suitable for deep spiritual machining.

The die-mold industry

Reaming tools for mold and die require machining deep blind holes and complex hole patterns, enabling higher machining stability with flexibility. Therefore, the spiral and straight reamer is a good choice.

The energy and automotive sector

The modular and replaceable reamer is suitable for the energy and automotive sector, as it is used for the large-scale machining area, saving time for effective machining.

What is the main purpose of reaming?

Carbide reaming tools are important tools used during high-speed reaming, combined with drilling tools to achieve more precise machining.

There are three key ways in which you can use the remaining tools:

Improve hole accuracy

Enable the improvement of hole accuracy after being drilled to achieve a more precise size with better tolerances.

Improve the hole’s surface finish

CNC reaming tools, like a reamer, can effectively remove the machining marks left on the hole, enabling the hole wall to achieve a higher roughness grade (e.g., Ra ≤ 0.8μm).

Fix the hole geometry

This can effectively improve hole roundness and straightness, which are highly used in machining crankshafts and positioning the hole.

How to properly ream a hole?

You should first use drill bits with smaller diameters to create pre-drilled holes. To achieve optimal surface finish quality, use high-performance solid carbide reamers with proper spindle speeds and feed rates. Remember to use sufficient cutting fluid to promote the chip flow and extend the tool lifespan. Moreover, keep alignment between reamers and the hole axis to prevent tool vibration and oversized holes. Correct reaming techniques can ensure the creation of high-precision holes and excellent hole accuracy.

What is the difference between a reamer and a drill bit?

Carbide reamers and drill bits are different in their function and precision. Drill bits are typically used for drilling initial holes with high material removal rates, while carbide reamers are used for enlarging and smoothing holes to achieve high dimensional accuracy. Solid carbide reamers can deliver superior precision and tighter tolerances than conventional twist drills. We recommend you use drill bits with CNC reaming tools for high-accuracy hole machining to optimize surface finish quality.

How does a reamer cut?

Solid carbide reamers are designed with several flutes to remove a small amount of material from the pre-drilled hole surfaces. Compared with drill bits, carbide reamers focus on precision machining with minimal material removal. Straight or helical flutes can promote smooth chip evacuation with superior hole roundness. Solid carbide reamers are extensively used for hole finishing in aluminum and steel parts.

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私たちについて

JINOO Tools Group is a “National High-Tech Enterprise”, which was founded in 2006 and specializes in manufacturing high-precision solid carbide cutting tools, including reaming tools， with over 25,000㎡ manufacturing bases. We are also a professional reaming tool manufacturer with reamers widely used in the automotive, aerospace, and equipment manufacturing industries. We have accumulated over 50 national patents, devoted to creating high-value cutting solutions for our customers.