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High speed steel twist drills at low price. 20 High Speed Twist Drill Bits & Organizer Great for Metalsmiths, Metal Working, Drilling & Organizing These drill bits are ground and heat treated. These bits measure approximately 0.0135", 0.0145", 0.016", 0.018", 0.02", 0.021", 0.0225", 0.024", 0.025", 0.026", 0.028", 0.0292", 0.031", 0.032", 0.033", 0.035", 0.036", 0.037", 0.038" and 0.039" (0.34, 0.36, 0.4, 0.45, 0.5, 0.53, 0.57, 0.6, 0.63, 0.66, 0.71, 0.74, 0.78, 0.81, 0.83, 0.88, 0.91, 0.93, 0.96 and 0.99 mm).
- Economy Twist Drill Set
These drill bits are ground and heat treated.
These bits measure approximately 0.0135", 0.0145", 0.016", 0.018",
0.02", 0.021", 0.0225", 0.024", 0.025", 0.026", 0.028", 0.0292", 0.031",
0.032", 0.033", 0.035", 0.036", 0.037", 0.038" and 0.039" (0.34, 0.36,
0.4, 0.45, 0.5, 0.53, 0.57, 0.6, 0.63, 0.66, 0.71, 0.74, 0.78, 0.81, 0.83,
0.88, 0.91, 0.93, 0.96 and 0.99 mm).
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