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  • HSS Twist Drills Sizes 50 - 80
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Euro Twist Drills Straight Shank High Speed Steel HSS Packs of 10 Sizes 50-80

Your Price: $5.80
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Product Description

These high speed steel twist drills are great general purpose drill bits, they offer an excellent combination of quality, strength and affordability. Made of the highest quality steel, carefully tempered and accurately ground to size. The drills work for a wide variety of materials including but not limited to silver, gold, low and medium carbon steel, cast iron, wood and plastics. Available in sizes 80 - 50 or 0.0135"/0.343mm - 0.0700"/1.778mm, chart below shows complete size list. Drill length varies depending on the size. These drill have a straight shank, meaning the drill bits have the same diameter throughout the length of the bit, other drills with a standard 3/32" shank are also available along with collet adaptors to use these in 3/32" shank hand pieces. Individual sizes, sold in packages of 10 bits. Always wear safety glasses when drilling.

 

Drill # Inches MM Drill # Inches MM Drill # Inches MM Drill # Inches MM Drill # Inches MM
30 0.1285 3.264 41 0.0960 2.438 52 0.0635 1.613 63 0.0370 0.940 74 0.0225 0.572
31 0.1200 3.048 42 0.0935 2.378 53 0.0595 1.512 64 0.0360 0.914 75 0.0210 0.533
32 0.1160 2.946 43 0.0890 2.261 54 0.0550 1.397 65 0.0350 0.889 76 0.0200 0.508
33 0.1130 2.870 44 0.0860 2.184 55 0.0520 1.321 66 0.0330 0.838 77 0.0180 0.457
34 0.1110 2.819 45 0.0820 2.083 56 0.0465 1.181 67 0.0320 0.813 78 0.0160 0.406
35 0.1100 2.794 46 0.0810 2.057 57 0.0430 1.092 68 0.0310 0.787 79 0.0145 0.369
36 0.1065 2.705 47 0.0785 1.944 58 0.0420 1.067 69 0.0292 0.734 80 0.0135 0.343
37 0.1040 2.642 48 0.0760 1.930 59 0.0410 1.041 70 0.0280 0.712      
38 0.1015 2.578 49 0.0730 1.854 60 0.0400 1.016 71 0.0260 0.660      
39 0.0995 2.528 50 0.0700 1.778 61 0.0390 0.990 72 0.0250 0.635      
40 0.0980 2.489 51 0.0670 1.702 62 0.0380 0.965 73 0.0240 0.610