Feature
1. Included hex adapter allows you to switch between different sizes , work efficiency.
2. Made of high quality and high hardness HSS material, high hardness, fast cutting, good impact resistance.
3. Suitable for drilling, tapping, cutting on wood, PVC, plastic, aluminum, copper and metal sheet etc
4. Compatible with electric hand drill, impact drill, bench drill,electric screwdriver and other tap machine.
5. 12 pieces tap drills include 6 pcs SAE and 6 pcs metric in all sizes can meet your different need.

Type: Hex
Tool Flute Type: Spiral
1/4 inch Hex : 6x13x60mm/0.24×0.51×2.16inch
SAE Size: 6-32NC, 8-32NC, 10-24NC, 10-32NC, 12-24NC, 1/4-20NC
Metric Size: M3 x 0.5, x 0.7, M5 x 0.8, M6 x 1.0, M8 x 1.25, M10 x 1.5
Material: HSS

Package Contents:
6 x SAE Drill and Tap Bits
6 x Metric Drill and Tap Bits
1 x 1/4inch Hex Quick Change Adapter

Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.