Combination drill bits HSS Taper Drill bits HSS Screw Countersink Bit
1.Material: High Speed Steel
2.Length: Jobber-length
3.Type: Countersinks and HSS taper drilling
4.Countersink: 3/8 - 1/2
5.Drill Bit: 1/8 - 1/4
6.Certification: BIN
7.Use: Wood Drilling
Workpiece materials:Aluminum and brass are typical workpieces with good to excellent machinability ratings. Cast iron, mild steel and plastic have good ratings. Stainless steel has a poor rating because of its toughness and it tends to work harden as it is machined.