Product Details

Product Description

HSS-CO Punta trapano elicoidale Set 1-10 mm DIN 338 Tipo N 5% Cobalto Ferro

HSS twist drill bits is used most in making holes.

It's mainly divided into follows types according to application:

1, For metal, pvc , plastic ,aluminium

2, HSS Twist drill bits (made from High Speed Steel)

3,Standars: DIN338,DIN1897,DIN340,DIN1869,DIN345,DIN333

4,Process:roll forged,rolled polished(half fully ground) ,fully ground ,milled

ITEM:DM021

170PCS TWIST DRILL SET

10pcs-1.0mm 10pcs-1.5mm 10pcs-2.0mm 10pcs-2.5mm 10pcs-3mm

10pcs-3.5mm 10pcs-4mm 10pcs-4.5mm 10pcs-5mm 10pcs-5.5mm

10pcs-6mm 10pcs-6.5mm 10pcs-7mm 10pcs-7.5mm 10pcs-8mm

5pcs-8.5mm 5pcs-9mm 5pcs-9.5mm 5pcs-10mm

Material	HSS4341, HSS4241
Workmanship	Rolled
Surface coating	1. Black finished
	2. Edge ground
	3. Edge ground Tin-coated
	4. Fully ground bright
	5. Fully ground black finished
	6. Fully ground Tin-coated.
Angle point	118 degree angle point

108pcs combination drill bit set

HSS4241	twist drill	polished	in titanium
1.0mm	10pcs	1.5mm	10pcs	2.0mm	10pcs
3.0mm	10pcs	4.0mm	5pcs	5.0mm	5pcs
5.5mm	2pcs	6.0mm	5pcs	6.5mm	2pcs
8.0mm	5pcs	9.0mm	3pcs	10.0mm	3pcs

Masonry drill
4.0mm	5pcs	5.0mm	5pcs
6.0mm	5pcs	8.0mm	5pcs

Wood drill
5.0mm	5pcs	6.0mm	5pcs
8.0mm	5pcs	10.0mm	3pcs

HSS Drill bits are available in :

High speed steel (HSS): harder than steel blades; stay sharper longer.

HSS Cobalt: Extremely hard and dissipate heat quickly. They are most commonly used for boring in stainless steel and other metals.

We can supply the following HSS grade:

HSS GRADE	HRC	CHEMICAL COMPOSITION (%)					International	DIN	ASTM	JIS
		C	W	Mo	Cr	V
W4Mo2Cr4VSi(4241)	60-62	0.9-1.0	1.5-2.5	0.5-1.2	3.8-6.0	0.5-1.0	T-4241	/	/	/
W4Mo3Cr4V(W4341)	62-65	0.88-0.98	3.5-4.5	2.5-3.5	3.8-4.4	1.3-1.7	4341	W4	/	/
W9Mo3Cr4V(W9341)	63-66	0.77-0.87	8.5-9.5	2.7-3.3	3.8-4.4	1.3-1.7	9341	W9	/	/
W6Mo5Cr4V2(M2)	63-66	0.8-0.9	5.5-6.75	4.5-5.5	3.8-4.4	1.75-2.2	6542	M2	M2	SKH51
W6Mo5Cr4V2Co5(M35)	64-67	0.9-0.95	5.5-6.5	4.5-5.5	3.8-4.4	1.75-2.2	Co5%	M35	M35	SKH55
W2Mo9Cr4V Co8 (M42)	66-68	1.05-1.15	1.15-1.85	9.0-10.0	3.5-4.25	0.95-1.35	Co8%	M42	M42	SKH59

Standard HSS drill bit:

Roll Forged	a.DIN338 b,DIN340 c, Jobber Length
Harf Ground	a.DIN338 b.DIN340 c.DIN1897 d.Jobber Length
Fully Ground	a.DIN338 b,DIN340 c,DIN1897 d,Aircraft Extension e, Jobber Length
	f,Taper Length g,Screw Machine Length
Milled	a.DIN340 b,DIN1869 c,Aircraft Extension d,Extra Length

We can supply the following standard HSS drill bit.

118 and 135 split point

Packaging & Shipping

We can supply the product in single pcs as well as in sets with decent package.

All kinds of packing and sets,we can OEM with your own brand .

A.plastic box tal case C.Aluminum case D.blister card E.Skin card F.doule blister G.wooden box H. PVC bag

Delivery Detail: 30~45days after we received you 30%T/T in advance

Please contact us freely for more information and favorable prices,I will reply you ASAP.

Hope you will enjoy a comfortable cooperation with us

Welcome to visit our factory!

Company Information

Danyang Daming Import & Export Co., Ltd. is one of the professional saw blades and drill bits suppliers in China. We specialize in all kinds of tools such as HSS twist drill bits, electric hammer drill bits, masonry drill bits, wood working drill bits, HSS hole saws, HSS taps, TCT saw blades, diamond saw blades, diamond core drills and some other power tool accessories and parts. We are located in Danyang City, Jiangsu Province, China, which provides easy access to air, water and land transportation.

Based on rich experience, advanced technology and professional skill, our products always can maintain the first rate quality as well as competitive prices. In recent years, our products have sold well in domestic and foreign markets, well received by customers in America, Europe, the Middle East, Indonesia and other countries and regions.

Factory pics