Screw Machine Drills - Letter Sizes Are Designed For Machining Operations In Screw Machines.
Screw Machine Drills - Letter Sizes are made of steel with precision cylindrically ground flutes for long lasting durability. Large selection of drill sizes, lengths and types to suit a variety of cutting specifications. Over 100 models are available to meet drilling requirements. Sizes are from A to Z. Color coated finishes are Black Oxide, Bright, Carbide Tipped and TiALN. Overall lengths vary per type.