7Leaders

Machine Reamers R301

Designed with left helix and right cutting flutes with unequal flute design. Downward chip evacuation. Application for reaming different steels below 48HRC, stainless steel, cast iron, aluminium, copper…and etc. Accuracy tolerance: H7 (m5)

a

45°

Lc

L1

L

Through

Blind Hole 

Steel Cast lron Stainless Steel AL, Copper

Hole 

HM Carbide

Uncoated Bright

L 7°

Z

Tolerance regulation

P H M K N

Dc size (mm)

Reamer Dc tolerance (mm)

Grind Dc tolerance (mm)

Above

Under

m5(JIS)

H7(DIN 1420)

Min

Mid

Max

-

3 6

+0.002/+0.006 +0.004/+0.008 +0.004/+0.009 +0.005/+0.010 +0.006/+0.012 +0.006/+0.012 +0.007/+0.015 +0.008/+0.015 +0.008/+0.017 +0.009/+0.017

+0.004 +0.005 +0.007 +0.009 +0.011

+0.005 +0.007 +0.009 +0.011 +0.013

+0.006 +0.009 +0.011 +0.013 +0.015

3 6

10 18 30

10 18

Standard Length

Code No. R301-Dc

Dc H7

Lc mm

L mm 133 133 142 142 151 151 151 160 160 162 162 170 170 175 182 189 195

d mm

a mm 0.8 0.8 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0

Z teeth

R301 Bright

10-HM

● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●

38

10 10 11 11 12 12 12 12 14 14 14 14 16 16 16 16 16

6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6

10.5-HM 38

11-HM

41

11.5-HM 41

12-HM

44

12.5-HM 44

13-HM

44

13.5-HM 47

14-HM

47

14.5-HM 50

15-HM

50

15.5-HM 52

16-HM 17-HM 18-HM 19-HM 20-HM

52 54 56 58 60

1.0

Please refer to page P494 for parameters. ※ Offer valid while stocks last

468

Made with FlippingBook - Online Brochure Maker