4 Flutes Wood Auger Drill Bits (TW-AD-4F)

1. High carbon steel, fully heated and tempered.
2. Size from 10mm - 40mm (3/8" - 1-9/16"), length from 120mm - 250mm (4-1/2" - 10").
3. Self feeding screw and high quality cutting spurs makes drilling easy and fast on both soft wood and hard wood, even on woods with nails with long durability!
4. With self feeding screw and 4 cutting spurs, the bits provide with effective drilling and long durability, delivering up to 10 times faster speed than flat boring bits.
5.4 flutes design makes fast chip removing and drilling through the wood effortlessly.
6. Ground surface makes the hole precise and smooth.
7. Apply to all 1/4" quick change chuck, prevent the bit from getting off or slipping.
8. Red color and black color for choice.
9. Package: Blister card. other package can be customized.
10.delivery time:30-45 days after receiving down payment in normal season. It will be changed depending payment,transportation,holiday,stock etc.