NC Machine Reamers 4&6 Flute Straight Shank Chucking Reamers
Uncoated Bright
MG Carbide
0°
Z
Code No: R391-DC
C45°
Work Material P H M K N S
Lc
L
Standard Length Dc
P Steel
Lc
L
d
Z Bright R391
Dec.Equiv. Inch mm Inch mm Inch mm Inch mm teeth 0.0313 1/32 0.795 1/4 6.35 1-1/2 38.10 0.0260 0.66 4 0.0469 3/64 1.191 3/8 9.53 1-1/2 38.10 0.0410 1.04 4 0.0625 1/16 1.588 3/8 9.53 1-1/2 38.10 0.0520 1.32 4 0.0781 5/64 1.984 1/2 12.70 1-3/4 44.45 0.0625 1.59 4 0.1094 7/64 2.779 5/8 15.88 2-1/4 57.15 0.0938 2.38 4 1/8 3.175 5/8 15.88 2-1/4 57.15 0.1094 2.78 4 0.1406 9/64 3.571 3/4 19.05 2-1/2 63.50 0.1250 3.18 4 0.1562 5/32 3.967 3/4 19.05 2-1/2 63.50 0.1406 3.57 4 0.0938 3/322.383 1/2 12.70 2 50.80 0.0781 1.98 4 0.1250 0.1719 11/64 4.366 7/8 22.23 2-3/4 69.85 0.1562 3.97 4 0.1875 3/16 4.763 7/8 22.23 2-3/4 69.85 0.1719 4.37 4
H <48HRC
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Hardened Steel
M Stainless Steel
K Cast Iron
N Aluminium
0.2031 13/645.159 0.2188 7/325.558 0.2344 15/645.954
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 0.2188 5.56 4 3 76.20 0.2188 5.56 4
N Copper
0.2500
1/4 6.350
0.2656 17/64 6.746 1-1/8 28.58 3-1/4 82.55 0.2500 6.35 6 0.2812 9/32 7.142 1-1/8 28.58 3-1/4 82.55 0.2500 6.35 6 0.2969 19/64 7.541 1-1/8 28.58 3-1/4 82.55 0.2812 7.14 6 0.3125 5/16 7.938 1-1/8 28.58 3-1/4 82.55 0.2812 7.14 6 0.3281 21/64 8.334 1-1/4 31.75 3-1/2 88.90 0.3125 7.94 6 0.3438 11/32 8.733 1-1/4 31.75 3-1/2 88.90 0.3125 7.94 6 0.3594 23/64 9.129 1-1/4 31.75 3-1/2 88.90 0.3125 7.94 6 0.3750 3/8 9.525 1-1/4 31.75 3-1/2 88.90 0.3594 9.13 6 0.3906 25/64 9.921 1-1/4 31.75 3-1/2 88.90 0.3750 9.53 6 0.4062 13/3210.317 1-1/4 31.75 3-1/2 88.90 0.3750 9.53 6
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.
0.4219 27/6410.716 1-3/8 34.93 0.4375 7/16 11.113 1-3/8 34.93 0.4531 29/6411.509 1-3/8 34.93 0.4688 15/3211.908 1-3/8 34.93 0.4844 31/6412.304 1-1/2 38.10
4 101.60 0.3750 9.53 6 4 101.60 0.3750 9.53 6 4 101.60 0.4375 11.11 6 4 101.60 0.4375 11.11 6 4 101.60 0.4375 11.11 6 4 101.60 0.4375 11.11 6
0.5000 0.0400 0.0410 0.0420 0.0430 0.0465 0.0520 0.0550 0.0595 0.0635 0.0670 0.0700 0.0730 0.0760 0.0785 0.0810 0.0820 0.0860 0.0890 0.0935
1/2 12.700 1-1/2 38.10
#60 1.016 1/4 6.35 1-1/2 38.10 0.0360 0.91 4 #59 1.041 1/4 6.35 1-1/2 38.10 0.0360 0.91 4 #58 1.067 3/8 9.53 1-1/2 38.10 0.0380 0.97 4 #57 1.092 3/8 9.53 1-1/2 38.10 0.0380 0.97 4 #56 1.181 3/8 9.53 1-1/2 38.10 0.0410 1.04 4 #55 1.321 3/8 9.53 1-1/2 38.10 0.0410 1.04 4 #54 1.397 3/8 9.53 1-1/2 38.10 0.0520 1.32 4 #53 1.511 3/8 9.53 1-1/2 38.10 0.0520 1.32 4 #52 1.613 3/8 9.53 1-1/2 38.10 0.0520 1.32 4 #51 1.702 1/2 12.70 1-3/4 44.45 0.0625 1.59 4 #50 1.778 1/2 12.70 1-3/4 44.45 0.0625 1.59 4 #49 1.854 1/2 12.70 1-3/4 44.45 0.0625 1.59 4 #48 1.930 1/2 12.70 1-3/4 44.45 0.0625 1.59 4 #47 1.994 1/2 12.70 1-3/4 44.45 0.0625 1.59 4 #46 2.057 1/2 12.70 1-3/4 44.45 0.0625 1.59 4
#452.083 1/2 12.70 #442.184 1/2 12.70 #432.261 1/2 12.70 #422.375 1/2 12.70
2 50.80 0.0781 1.98 4 2 50.80 0.0781 1.98 4 2 50.80 0.0781 1.98 4 2 50.80 0.0781 1.98 4
501
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