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B941A (~3 x D) • KCH10 • A-Shank • KMH Drills

Name: B941A (~3 x D) • KCH10 • A-Shank • KMH Drills
SKU: 6358998
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KMH 钻 • 硬材料 • 非内冷

Metric

Inch

SAP 材料编号	6358998
ISO 目录编号	B941A12000
ANSI 目录编号	B941A12000
材质	KCH10
[D1] 钻头直径 M	12 mm
[D1] 钻头直径 M	.4724 in
[L] 总长	102 mm
[L] 总长	4.02 in
[L3] 排屑槽长度	55 mm
[L3] 排屑槽长度	2.17 in
[L4] 最大钻孔深度	35 mm
[L4] 最大钻孔深度	1.38 in
[L5] 钻尖长度	2.15 mm
[L5] 钻尖长度	.085 in
[LS] 刀柄长度	45 mm
[LS] 刀柄长度	1.77 in
[D]适配接头/刀柄/镗孔直径	12 mm
[D]适配接头/刀柄/镗孔直径	.4724 in

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Uses and application

Drilling
Drilling: Stacked Plates
Corner Style: Corner Chamfer
刀具尺寸： 2个排屑槽/2个刃带/无冷却
DIN号码6535
DIN号码6537
钻孔 — 不采用冷却剂
射流冷却：钻孔
刀柄— 圆柱平面度 ≤h6
螺旋角： 15°

工件材料

P 钢

K 铸铁

H 淬火材料

Features and benefits

The B94_ drill series without through coolant is specifically designed to machine hardened and surface hardened materials, using flood coolant. With its 145° point angle, it is also perfectly suited as pilot drill for the B95_ drill series with through coolant and 140° point for deeper applications.

KMH Point Design with curved cutting edge with corner chamfer for maximum corner stability in hard materials. It avoids chipping on cutting edge thus pre-mature wear.

Special flute design with strong web to increase the strength of the drill in tough applications with short chips. B94_ series with 15° helix angle to maximize stability in applications above 54 HRC.

Grade KCH10 on B94_ series consists of a special fine grain carbide substrate with higher hardness. It carries a high temperature and shock resistance AlTiN coating for machining hardened material to increase tool life.

机床侧

工件侧

Tolerance • Metric
nominal size range	D1 tolerance m7	D tolerance h6
3–6	0,004/0,016	0,000/-0,008
6–10	0,006/0,021	0,000/-0,009
10–18	0,007/0,025	0,000/-0,011
18–25,4	0,008/0,029	0,000/-0,013

Tolerance • Inch
nominal size range	D1 tolerance m7	D tolerance h6
.1181 .2362	.0002/.0006	.0000/-.0003
.2362 .3937	.0002/.0008	.0000/-.0004
.3937 .7087	.0003/.0010	.0000/-.0004
.7087 1.0000	.0003/.0011	.0000/-.0005

Material Group			<="" td="">		<="" td="" />

Material Group		Cutting Speed vc			Inch
		Range SFM			Recommended Feed Rate per Rev
		Min	Starting Value	Max		1/8 .125	3/16 .188	1/4 .250	5/16 .313	3/8 .375	1/2 .500	5/8 .625	3/4 .750
P	4	160	230	330	IPR	.0024-.0059	.0031-.0067	.0047-.0091	.0055-.0110	.0067-.0130	.0075-.0150	.0091-.0185	.0114-.0232
	5	130	160	230	IPR	.0031–.0063	.0039–.0079	.0047–.0094	.0063–.0110	.0079–.0126	.0094–.0142	.0110–.0173	.0126–.0205
	6	100	130	200	IPR	.0020-.0028	.0024-.0039	.0031-.0055	.0039-.0071	.0047-.0087	.0055-.0094	.0071-.0126	.0091-.0161
K	1	260	430	490	IPR	.0043-.0087	.0047-.0094	.0063-.0122	.0079-.0150	.0091-.0173	.0098-.0193	.0122-.0024	.0150-.0185
	2	230	360	330	IPR	.0039–.0067	.0047–.0075	.0063–.0098	.0079–.0122	.0091–.0142	.0098–.0157	.0122–.0189	.0150–.0236
	3	260	360	390	IPR	.0028-.0059	.0035-.0075	.0047-.0098	.0055-.0118	.0067-.0138	.0075-.0157	.0098-.0189	.0118-.0236
H	1	70	100	130	IPR	.0012-.0024	.0016-.0031	.0024-.0039	.0031-.0047	.0035-.0051	.0039-.0055	.0047-.0063	.0055-.0071
	2	50	100	130	IPR	.0008–.0016	.0012–.0024	.0020–.0031	.0028–.0039	.0031–.0043	.0035–.0047	.0039–.0055	.0043–.0063
	3	50	80	110	IPR	.0008-.0016	.0008-.0020	.0016-.0028	.0024-.0035	.0028-.0039	.0031-.0043	.0035-.0051	.0039-.0059
	4	50	70	100	IPR	.0008–.0016	.0012–.0024	.0020–.0031	.0028–.0039	.0031–.0043	.0035–.0047	.0039–.0055	.0043–.0063

Material Group

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Cutting Speed vc

Metric

Range m/min

Recommended Feed Rate per Rev

Min

Starting Value

Max

3,0

4,0

6,0

8,0

10,0

12,0

16,0

20,0

100

mm/r

0,06–0,15

0,08–0,17

0,12–0,23

0,14–0,28

0,17–0,33

0,19–0,38

0,23–0,47

0,29–0,59

mm/r

0,08–0,16

0,10–0,20

0,12–0,24

0,16–0,28

0,20–0,32

0,24–0,36

0,28–0,44

0,32–0,52

mm/r

0,05–0,07

0,06–0,10

0,08–0,14

0,10–0,18

0,12–0,22

0,14–0,24

0,18–0,32

0,23–0,41

130

150

mm/r

0,11–0,22

0,12–0,24

0,16–0,31

0,20–0,38

0,23–0,44

0,25–0,49

0,31–0,06

0,38–0,47

110

100

mm/r

0,10–0,17

0,12–0,19

0,16–0,25

0,20–0,31

0,23–0,36

0,25–0,40

0,31–0,48

0,38–0,60

110

120

mm/r

0,07–0,15

0,09–0,19

0,12–0,25

0,14–0,30

0,17–0,35

0,19–0,40

0,25–0,48

0,30–0,60

mm/r

0,03–0,06

0,04–0,08

0,06–0,10

0,08–0,12

0,09–0,13

0,10–0,14

0,12–0,16

0,14–0,18

mm/r

0,02–0,04

0,03–0,06

0,05–0,08

0,07–0,10

0,08–0,11

0,09–0,12

0,10–0,14

0,11–0,16

mm/r

0,02–0,04

0,02–0,05

0,04–0,07

0,06–0,09

0,07–0,10

0,08–0,11

0,09–0,13

0,10–0,15

mm/r

0,02–0,04

0,03–0,06

0,05–0,08

0,07–0,10

0,08–0,11

0,09–0,12

0,10–0,14

0,11–0,16

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Cutting Speed vc

Metric

Range m/min

Recommended Feed Rate (f) by Diameter

Material Group

Min

Starting Value

Max

3,0

4,0

6,0

8,0

10,0

12,0

16,0

20,0

100

mm/r

0,06–0,15

0,08–0,17

0,12–0,23

0,14–0,28

0,17–0,33

0,19–0,38

0,23–0,47

0,29–0,59

mm/r

0,08–0,16

0,10–0,20

0,12–0,24

0,16–0,28

0,20–0,32

0,24–0,36

0,28–0,44

0,32–0,52

mm/r

0,05–0,07

0,06–0,10

0,08–0,14

0,10–0,18

0,12–0,22

0,14–0,24

0,18–0,32

0,23–0,41

130

150

mm/r

0,11–0,22

0,12–0,24

0,16–0,31

0,20–0,38

0,23–0,44

0,25–0,49

0,31–0,06

0,38–0,47

110

100

mm/r

0,10–0,17

0,12–0,19

0,16–0,25

0,20–0,31

0,23–0,36

0,25–0,40

0,31–0,48

0,38–0,60

110

120

mm/r

0,07–0,15

0,09–0,19

0,12–0,25

0,14–0,30

0,17–0,35

0,19–0,40

0,25–0,48

0,30–0,60

mm/r

0,03–0,06

0,04–0,08

0,06–0,10

0,08–0,12

0,09–0,13

0,10–0,14

0,12–0,16

0,14–0,18

mm/r

0,02–0,04

0,03–0,06

0,05–0,08

0,07–0,10

0,08–0,11

0,09–0,12

0,10–0,14

0,11–0,16

mm/r

0,02–0,04

0,02–0,05

0,04–0,07

0,06–0,09

0,07–0,10

0,08–0,11

0,09–0,13

0,10–0,15

mm/r

0,02–0,04

0,03–0,06

0,05–0,08

0,07–0,10

0,08–0,11

0,09–0,12

0,10–0,14

0,11–0,16

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SAP Material Number	ISO Catalog	Grade

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B941A (~3 x D) • KCH10 • A-Shank • KMH Drills

KMH 钻 • 硬材料 • 非内冷

Uses and application

工件材料

Features and benefits

机床侧

工件侧

产品建议

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B941A (~3 x D) • KCH10 • A-Shank • KMH Drills

KMH 钻 • 硬材料 • 非内冷

Uses and application

工件材料

Features and benefits

机床侧

工件侧

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