7Leaders

NC Machine Reamers 4&6 Flute Straight Shank Chucking Reamers

Uncoated Bright

MG Carbide

Z

Code No: R391-DC

Standard Length Dc

Lc

L

d

Z Bright R391

Dec.Equiv. Inch mm Inch mm Inch mm Inch mm teeth 0.0960 #412.438 1/2 12.70 2 50.80 0.0781 1.98 4

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0.0980 0.0995 0.1015 0.1040 0.1065 0.1100 0.1110 0.1130 0.1160 0.1200 0.1285 0.1360 0.1405 0.1440 0.1470 0.1495 0.1520 0.1540 0.1570 0.1590 0.1610 0.1660 0.1695 0.1730 0.1770 0.1800 0.1820 0.1850 0.1890 0.1910 0.1935 0.1960 0.1990 0.2010 0.2040 0.2055 0.2090 0.2130 0.2210 0.2280 0.2340 0.2380 0.2420 0.2460 0.2500 0.2570 0.2610 0.2660 0.2720 0.2770 0.2810 0.2900 0.2950 0.3020 0.3160 0.3230 0.3320 0.3390 0.3480 0.3580 0.3680 0.3770 0.3860 0.3970 0.4040 0.4130

#40 2.489 5/8 15.88 2-1/4 57.15 0.0938 2.38 4 #39 2.527 5/8 15.88 2-1/4 57.15 0.0938 2.38 4 #38 2.578 5/8 15.88 2-1/4 57.15 0.0938 2.38 4 #37 2.642 5/8 15.88 2-1/4 57.15 0.0938 2.38 4 #36 2.705 5/8 15.88 2-1/4 57.15 0.0938 2.38 4 #35 2.794 5/8 15.88 2-1/4 57.15 0.0938 2.38 4 #34 2.819 5/8 15.88 2-1/4 57.15 0.0938 2.38 4 #33 2.870 5/8 15.88 2-1/4 57.15 0.0938 2.38 4 #32 2.946 5/8 15.88 2-1/4 57.15 0.1094 2.78 4 #31 3.048 5/8 15.88 2-1/4 57.15 0.1094 2.78 4 #30 3.264 5/8 15.88 2-1/4 57.15 0.1094 2.78 4 #29 3.454 3/4 19.05 2-1/2 63.50 0.1250 3.18 4 #28 3.569 3/4 19.05 2-1/2 63.50 0.1250 3.18 4 #27 3.658 3/4 19.05 2-1/2 63.50 0.1250 3.18 4 #26 3.734 3/4 19.05 2-1/2 63.50 0.1406 3.57 4 #25 3.797 3/4 19.05 2-1/2 63.50 0.1406 3.57 4 #24 3.861 3/4 19.05 2-1/2 63.50 0.1406 3.57 4 #23 3.912 3/4 19.05 2-1/2 63.50 0.1406 3.57 4 #22 3.988 3/4 19.05 2-1/2 63.50 0.1406 3.57 4 #21 4.039 3/4 19.05 2-1/2 63.50 0.1406 3.57 4 #20 4.089 7/8 22.23 2-3/4 69.85 0.1562 3.97 4 #19 4.216 7/8 22.23 2-3/4 69.85 0.1562 3.97 4 #18 4.305 7/8 22.23 2-3/4 69.85 0.1562 3.97 4 #17 4.394 7/8 22.23 2-3/4 69.85 0.1562 3.97 4 #16 4.496 7/8 22.23 2-3/4 69.85 0.1719 4.37 4 #15 4.572 7/8 22.23 2-3/4 69.85 0.1719 4.37 4 #14 4.623 7/8 22.23 2-3/4 69.85 0.1719 4.37 4 #13 4.699 7/8 22.23 2-3/4 69.85 0.1719 4.37 4 #12 4.801 7/8 22.23 2-3/4 69.85 0.1719 4.37 4 #11 4.851 7/8 22.23 2-3/4 69.85 0.1719 4.37 4

Work Material P H M K N S

P Steel

H <48HRC

Hardened Steel

M Stainless Steel

K Cast Iron

N Aluminium

#10 4.915 #9 4.978 #8 5.055 #7 5.105 #6 5.182 #5 5.220 #4 5.309 #3 5.410 #2 5.613 #1 5.791 A 5.944 B 6.045 C 6.147 D 6.248 E 6.350

1 25.40 1 25.40 1 25.40 1 25.40 1 25.40 1 25.40 1 25.40 1 25.40 1 25.40 1 25.40 1 25.40 1 25.40 1 25.40 1 25.40 1 25.40

3 76.20 0.1875 4.76 4 3 76.20 0.1875 4.76 4 3 76.20 0.1875 4.76 4 3 76.20 0.1875 4.76 4 3 76.20 0.1875 4.76 4 3 76.20 0.1875 4.76 4 3 76.20 0.1875 4.76 4 3 76.20 0.1875 4.76 4 3 76.20 0.1875 4.76 4 3 76.20 0.2188 5.56 4 3 76.20 0.2188 5.56 4 3 76.20 0.2188 5.56 4 3 76.20 0.2188 5.56 4 3 76.20 0.2188 5.56 4 3 76.20 0.2188 5.56 4

N Copper

N Plastics

Tolerance: DC +0.0001/+0.0003: 1/32"~1/4" +0.0001/+0.0004: 1/4"~1/2" Feature of product:

Provide superior wear resistance. Can withstand the highest cutting temperatures in low tensile and highly abrasive materials such as Bronze, Copper, Rubber, Aluminium, Cast Iron, and Steel… etc.

F 6.528 1-1/8 28.58 3-1/4 82.55 0.2500 6.35 6 G 6.629 1-1/8 28.58 3-1/4 82.55 0.2500 6.35 6 H 6.756 1-1/8 28.58 3-1/4 82.55 0.2500 6.35 6 I 6.909 1-1/8 28.58 3-1/4 82.55 0.2500 6.35 6 J 7.036 1-1/8 28.58 3-1/4 82.55 0.2500 6.35 6 K 7.137 1-1/8 28.58 3-1/4 82.55 0.2500 6.35 6 L 7.366 1-1/8 28.58 3-1/4 82.55 0.2812 7.14 6 M 7.493 1-1/8 28.58 3-1/4 82.55 0.2812 7.14 6 N 7.671 1-1/8 28.58 3-1/4 82.55 0.2812 7.14 6 O 8.026 1-1/8 28.58 3-1/4 82.55 0.2812 7.14 6 P 8.204 1-1/4 31.75 3-1/2 88.90 0.3125 7.94 6 Q 8.433 1-1/4 31.75 3-1/2 88.90 0.3125 7.94 6 R 8.611 1-1/4 31.75 3-1/2 88.90 0.3125 7.94 6 S 8.839 1-1/4 31.75 3-1/2 88.90 0.3125 7.94 6 T 9.093 1-1/4 31.75 3-1/2 88.90 0.3125 7.94 6 U 9.347 1-1/4 31.75 3-1/2 88.90 0.3594 9.13 6 V 9.576 1-1/4 31.75 3-1/2 88.90 0.3594 9.13 6 W 9.804 1-1/4 31.75 3-1/2 88.90 0.3594 9.13 6 X 10.084 1-1/4 31.75 3-1/2 88.90 0.3750 9.53 6 Y 10.262 1-1/4 31.75 3-1/2 88.90 0.3750 9.53 6 Z 10.490 1-1/4 31.75 3-1/2 88.90 0.3750 9.53 6

Please refer to page P502 for parameters.

502

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