hss drill bit set cobalt drill set DIN338 25 pcs 170 pcs 230 pcs 29 pcs 21 pcs 13 pcs hss drill bit set for metal

Specifications

HSS Drill Bit set for Metal
Material:High Speed Steel
Size:0.2mm-20.0mm
Package: certain pcs in one metal or plastic box.

DIN338 HSS Drill Bit Set For Metal / HSS TWIST DRILL BITS SETS

 

1. HSS drill bit set for metal 
2. Available in HSS-Co, HSS
3. Can supply different surface coating
4. High quality with long life

 

 

Believe it or not, there’s a drill bit make for almost every application. Using the right drill bits can make almost every

any home improvement project easier.

Tongyu Tools help to determine which drill bit is the best fit for your drill and your project. 

 

 

 

The material from which bits are manufactured play a big role in the life and performance of the bit. 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. 

  

 

1. DIN338 or jobber imperial twist drill bits
2. Available in HSS-Co, HSS
3. Can supply different surface coating
4. High quality with long life

 

 

Material	HSS-Co5%, HSS6542, HSS4341, HSS4241
Workmanship	Fully ground, rolled, roll & forged, milled
Surface coating	Tin-coated, Nitride Oxide, Bright finish, Ambor color
Angle point	118~135 degree or split point
Size	1~16mm in dia
Item NO.	TY1-1.1.1.0-1

 

 

 

HSS Straight Shank Drills For Metal, Fully Ground, DIN338 standard OR JOBBER IMPERIAL.

DIN338 Standard

D: Diameter    L1: Overall Length   L2: Flute Length

D	L1	L2	D	L1	L2
mm	mm	mm	mm	mm	mm
1.0	34	12	7.0	109	69
2.0	49	24	8.0	117	75
3.0	61	33	9.0	125	81
4.0	75	43	10.0	133	87
5.0	86	52	11.0	142	94
6.0	93	57	12.0	151	101

* Other sizes are available according to customer's demand

  Package: certain pcs in one metal or plastic box.

 

 

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