Solid Carbide Twister® Hi-Roc® Straight Flute Drill Sets
Designed to drill hardened steel in the 42-65 Rc range.
- Available in three popular sets. Each set contains a selection of more frequently used drills
- Packed in a plastic case
- Used for drilling bolt studs, welds and other hard materials
- Ideal for tool box
- 20010000 - 1/8", 3/16", 1/4", 5/16", 3/8"
- 20020000 - 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4"
- 20030000 - 3/64", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16"
- Recommended max drill depth = L2 - 1.5 x D1
*The metric sets in this series has been obsoleted as of 9/30/22. Tools with stock will be available until the stock is depleted and cannot be returned. Contact customer service if you require an obsolete tool as a special.