Sell Expansive Bit

Expansive Bit You May Also Be Interested In: big holes steel hardness
Expansive Bit are for drilling different sizes of big holes in wood to meet different working demands. Professionally and effectively drilling holes of diameter 22mm to 76mm in wood, polywood, chipboard and so on. Heavy duty function is upon the best cost combination.

Size
Cutting Diameter Range
Metric(mm)
22-40,40-76
15-38,16-45
16-38,16-45
Inches
7/8to1-5/8,1-5/8to3
5/8to1-1/2,5/8to1-3/4
5/8to1-1/2,5/8to1-11/16
Overall length(mm)
150,125,175,180,200
Steel: 45#Carbon steel
Hardness:45-53
Shank types:hex shank, straight round shank
Packing: Sliding card, double blister
Special sizes and packings are available upon customers' requests