41PCS Combination Drill Bit Set Drilling Power Tools

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

Detailed Specification
 

HSS Drill Bits
Manufacturing	Surface Finish						Sharpening
	White	Black	B&W	Tin Coated	Amber	Black&Gold	118°	135°S.P.	Turto Max	118°S.P	Web Thinning
Rolled Forged		√	√				√	√		√
Rolled Polished	√	√	√	√	√		√	√		√
Fully Ground	√	√	√	√	√	√	√	√	√	√
Milled	√	√	√	√		√	√				√
Standards	DIN338,DIN1897,DIN340,DIN1869,DIN345,DIN333
	Jobber length,ScrewMachine Length,Taper length,Aircraft Extension
Material	HSS4241,HSS4341,HSS6542(M2),HSS CO5%(M35),HSS CO8%(M42)
Shank	Straight shank(Parallel shank), Reduced Shank, hex shank,1/4″Quick change shank,3Flats shank,1/2"shank
Helix Angle	Type N,Type W,Type H
Rotating	Right Hand,Left Hand
Flute	Normal,parabolic

 

HSS GRADE	HRC(Rockwell Hardness)
Mo2Cr4Vsi--4241	60-62
Mo3Cr4Vsi--4341	62-65
Mo3Cr4V---9341	63-66
Mo5Cr4V2-6542/M2	63-66
Mo5Cr4V2Co5-M35	64-67 HSS Co5%

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

Our company

1) We're a direct manufacturer and 100% export to worldwide(USA, Isrel, Jordan, Iran, Thailand,Duabai, South Africa, Kenya, Egypt, Australia, UK, Spain, Brazil, etc)
2) We have around 15 years producing experience.
3) Our drill product:HSS drill bits, masonry drill, SDS drill,glass&tile drill, step drill, wood flat drill, wood auger bit, wood brad drill, center drill, left hand drill, drill set etc.
4) Above 95% customers will place a formal order after testing the samples.

More information about our products, welcome to visit :http://en.dmcraftools.com/