High Quality Sharp Wear-Resisting Ladder Twist Drill

Product Information:
 Drill bits are cutting tools used to create cylindrical holes, almost always of circular cross-section. Bits are held in a tool called a drill, which rotates them and provides torque and axial force to create the hole. Specialized bits are also available for non-cylindrical-shaped holes.
HSS drill Standard: : DIN 338 (jobber series),DIN 340 (long series),DIN 1897 (stub series)
Manufacturing Process: Fully Ground, Milled, Rolled, Edge Ground.
Material: HSS4241, HSS4341, HSS6542(M2), HSS Cobalt 5% (M35 Co5%)
Surface: Black finish, Bright finish, Black & Bright finish, Tin-coated Finish, Amber / Coffee Finish, Rainbow Color Finish.
Packing: PVC Pouch, Paper Box, Plastic Box, Plastic tube, Metal Box or as per the customer's requirement.
Size: 1mm-30.0mm
Point Angle: 118° or 135° (Split Point are available from 3.0mm)
Application: For drilling steel, cast steel, grey cast iron, malleable iron, sintered metal, low hardness alloyed.

Packing Information
A. Plastic pipe packing
B. Metal displaybox packing
C. Plastic tube packing
D. Plastic displaybox packing
E. 1pc / PVC bag,then 1pc / inner paper box
F.  Grey metal displaybox packing
G.  Metal box for drill bits set packing
H.  Wooden box for drill set packing
J.5/10 pieces packind in PVC bag, then in white paper box, then in carton

Shipping
1. TNT/FedEx/DHL/UPS for samples or under 45KG weight goods , Door to Door.
2. By Air or by Sea for batch goods,from airport(seaport) to airport(seaport).
3. Customers specifying freight forwarders or not.
4. Production Time: 3- 7days for samples; 2-3.5 weeks for batch goods









Bit according to drawings, samples, used in wood and drilling of aluminum alloy, welcome to choose and buy!