Size - 1/8 x 3inch, 5/32 x 4inch, 3/16 x 5 inch, 1/4 x 6 inch,9/32 x 7inch, 5/16 x8 inch, 11/32 x 9inch and 3/8 x 10inch.
[Higher Efficiency]: Optimized carbide tip and the spiral groove are adopted to make the drill bit smoother and easier to locate which reduces the bit walking, conducive to rapid drilling, fast chip removal, and improved drilling efficiency.
[All Applicable ]: Metal drill bits are ideal for woodworking, impact driver, concrete, screws, plastic, fiberglass, and even steel, compatible with most rotary hammer drills on the market.