Blacksmith 1/2" Reduced Shank Drill Bit 12-39mm HSS Twist For Metal Woodworking

180° chamfer, sharp and durable. Material: 4341 HSS. 23mm 23 95 1/2 Reduced Round Shank 12.5 150 39mm 39 95 1/2 Reduced Round Shank 12.5 150. 12mm 12 90 1/2 Reduced Round Shank 10 150 24mm 24 95 1/2 Reduced Round Shank 12.5 150.

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