7Leaders

Jobber Drills 118° Point for Quick Penetration

118˚

Uncoated Bright

MG Carbide

30°

Code No: D453-DC

Standard Length Dc h7 Dec. Equiv. Inch

Standard Length Dc h7 Dec. Equiv. Inch

Bright D453

Bright D453

Lc Inch

L Inch

Lc Inch

L Inch

#78 0.0160 3/16 3/4 #77 0.0180 3/16 3/4 #76 0.0200 1/4 7/8 #75 0.0210 1/4 7/8 #74 0.0225 1/4 7/8 #73 0.0240 1/4 7/8 #72 0.0250 5/16 1 #71 0.0260 5/16 1 #70 0.0280 5/16 1 #69 0.0292 5/16 1 #68 0.0310 3/8 1-1/8 #67 0.0320 3/8 1-1/8 #66 0.0330 3/8 1-1/8 #65 0.0350 3/8 1-1/8 #64 0.0360 5/8 1-1/4 #63 0.0370 5/8 1-1/4 #62 0.0380 1/2 1-1/4 #61 0.0390 1/2 1-1/4 #60 0.0400 3/4 1-1/2 #59 0.0410 3/4 1-1/2 #58 0.0420 3/4 1-1/2 #57 0.0430 3/4 1-1/2 #56 0.0465 3/4 1-1/2 #55 0.0520 3/4 1-1/2 #54 0.0550 3/4 1-1/2 #53 0.0595 3/4 1-1/2 #52 0.0635 3/4 1-1/2 #51 0.0670 3/4 1-1/2 #50 0.0700 7/8 1-3/4 #49 0.0730 7/8 1-3/4 #48 0.0760 7/8 1-3/4 #47 0.0785 7/8 1-3/4 #46 0.0810 7/8 1-3/4 #45 0.0820 7/8 1-3/4 #44 0.0860 1 2 #43 0.0890 1 2 #42 0.0935 1 2 #41 0.0960 1 2 #40 0.0980 1 2 #39 0.0995 1-1/4 2-1/4 #38 0.1015 1-1/4 2-1/4 #37 0.1040 1-1/4 2-1/4 #36 0.1065 1-1/4 2-1/4 #35 0.1100 1-1/4 2-1/4 #34 0.1110 1-1/4 2-1/4 #33 0.1130 1-1/4 2-1/4 #32 0.1160 1-1/4 2-1/4 #31 0.1200 1-1/4 2-1/4 #30 0.1285 1-1/4 2-1/4 #29 0.1360 1-3/8 2-1/2 #28 0.1405 1-3/8 2-1/2 #27 0.1440 1-3/8 2-1/2

#26 0.1470 1-3/8 2-1/2 #25 0.1495 1-3/8 2-1/2 #24 0.1520 1-3/8 2-1/2 #23 0.1540 1-3/8 2-1/2 #22 0.1570 1-3/8 2-1/2 #21 0.1590 1-3/8 2-1/2 #20 0.1610 1-3/8 2-1/2 #19 0.1660 1-5/8 2-3/4 #18 0.1695 1-5/8 2-3/4 #17 0.1730 1-5/8 2-3/4 #16 0.1770 1-5/8 2-3/4 #15 0.1800 1-5/8 2-3/4 #14 0.1820 1-5/8 2-3/4 #13 0.1850 1-5/8 2-3/4 #12 0.1890 1-5/8 2-3/4 #11 0.1910 1-5/8 2-3/4 #10 0.1935 1-5/8 2-3/4 #9 0.1960 1-3/4 3 #8 0.1990 1-3/4 3 #7 0.2010 1-3/4 3 #6 0.2040 1-3/4 3 #5 0.2055 1-3/4 3 #4 0.2090 1-3/4 3 #3 0.2130 1-3/4 3 #2 0.2210 1-3/4 3 #1 0.2280 1-3/4 3 A 0.2340 2 3-1/4 B 0.2380 2 3-1/4 C 0.2420 2 3-1/4 D 0.2460 2 3-1/4 E 0.2500 2 3-1/4 F 0.2570 2 3-1/4 G 0.2610 2-1/8 3-1/2 H 0.2660 2-1/8 3-1/2 I 0.2720 2-1/8 3-1/2 J 0.2770 2-1/8 3-1/2 K 0.2810 2-1/8 3-1/2 L 0.2900 2-1/8 3-1/2 M 0.2950 2-3/8 3-3/4 N 0.3020 2-3/8 3-3/4 O 0.3160 2-3/8 3-3/4 P 0.3230 2-3/8 3-3/4 Q 0.3320 2-1/2 4 R 0.3390 2-1/2 4 S 0.3480 2-1/2 4 T 0.3580 2-1/2 4-1/4 U 0.3680 2-3/4 4-1/4 V 0.3770 2-3/4 4-1/4 W 0.3860 2-7/8 4-1/2 X 0.3970 2-7/8 4-1/2 Y 0.4040 2-7/8 4-1/2 Z 0.4130 2-7/8 4-1/2

Work Material P H M K N S

P Steel

K Cast Iron

N Aluminium

N Copper

N Plastics

N FRP CFRP

Composite Material

Tolerance: DC All Sizes: h7 Feature of product: Provide superior wear resistance. Use in lower tensile strength materials such as Cast Iron, Cast Aluminium, Bronze, Copper, Zinc, Brass, Rubber and Plastics, Composite…etc. Also can be applied for drilling with Steel as work material.

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