Long Cobalt Drill Bits

DIN340 HSS CO 5% M35 Long Twist Drill Bits for Stainless Steel Cast Iron

It also features a twisted spiral design that easy to remove sawdust and iron filings.
Made of high-quality material and finished with a fine polish, this drill bit is built to last.
They are compatible with many electric drills and drilling machines.
Making it perfect for any drilling job.
it’s the perfect drill bit for wood, aluminum, plastic, and hard metals.

Product Details
Factory
Material

Product Description
More Choice For You: Home > Cobalt Drill Bit
Product Name	DIN340 HSS CO 5% M35 Long Twist Drill Bits for Stainless Steel Cast Iron
Size	1-13mm
Material	M35 (Co5%), M42 (Co8%)
Flute Type	Single Flute
Shank	Round Shank (We also Have Reduced Shank, Taper Shank, Hex Shank)
Surface Finish	Amber (We also have Black Oxide)
Package	10 or 5pcs in One Plastic Box

Product Size
DIN1869 R1 RN
Diameter (mm)	Flute Length (mm)	Overall Length (mm)	Diameter (mm)	Flute Length (mm)	Overall Length (mm)
2.0	85	125	8.0	165	240
2.5	95	140	8.5	165	240
3.0	100	150	9.0	175	250
3.5	115	165	9.5	175	250
4.0	120	175	10.0	185	265
4.5	125	185	10.5	185	265
5.0	135	195	11.0	195	280
5.5	140	205	11.5	195	280
6.0	140	205	12.0	205	295
6.5	150	215	12.5	205	295
7.0	155	225	13.0	205	295
7.5	155	225
DIN1869 R2 RN
Diameter (mm)	Flute Length (mm)	Overall Length (mm)	Diameter (mm)	Flute Length (mm)	Overall Length (mm)
3.0	130	190	8.5	210	305
3.5	145	210	9.0	220	320
4.0	150	220	9.5	220	320
4.5	160	235	10.0	235	340
5.0	170	245	10.5	235	340
5.5	180	260	11.0	250	365
6.0	180	260	11.5	250	365
6.5	190	275	12.0	260	375
7.0	200	290	12.5	260	375
7.5	200	290	13.0	260	375
8.0	210	305
DIN1869 R3 RN
Diameter (mm)	Flute Length (mm)	Overall Length (mm)	Diameter (mm)	Flute Length (mm)	Overall Length (mm)
3.5	180	265	8.5	265	390
4.0	190	280	9.0	280	410
4.5	200	295	9.5	280	410
5.0	210	315	10.0	295	430
5.5	225	330	10.5	295	430
6.0	225	330	11.0	310	455
6.5	235	350	11.5	310	455
7.0	250	370	12.0	330	480
7.5	250	370	12.5	330	480
8.0	265	390	13.0	330	480
Aircraft Extension (6″, 12″)
Diameter (mm)	Flute Length (mm)	Overall Length (mm)	Diameter (mm)	Flute Length (mm)	Overall Length (mm)
1/16″	7/8″	6″/12″	1/4″	2-3/4″	6″/12″
5/64″	1″	6″/12″	17/64″	2-7/8″	6″/12″
3/32″	1-1/4″	6″/12″	9/32″	2-15/16″	6″/12″
7/64″	1-1/2″	6″/12″	19/64″	3-1/16″	6″/12″
1/8″	1-5/8″	6″/12″	5/16″	2-2/16″	6″/12″
9/64″	1-3/4″	6″/12″	21/64″	3-5/16″	6″/12″
5/32″	2″	6″/12″	11/32″	3-7/16″	6″/12″
11/64″	2-1/8″	6″/12″	23/64″	3-1/2″	6″/12″
3/16″	2-5/16″	6″/12″	3/8″	3-5/8″	6″/12″
13/64″	2-7/16″	6″/12″	7/16″	4-1/16″	6″/12″
7/32″	2-1/2″	6″/12″	1/2″	4-1/2″	6″/12″
15/64″	2-5/8″	6″/12″
* Custom-tailor would be available against customers’ requirements

Hss twist drill bits, black and gold surface provide a protection to prevent rusty. Drilling accurate without a center punch tool, it can drill in general metal drilling. 135 degree split point eliminate drill walking on work-pieces. High quality guarantee hss twist drill bits!

Material: M2 HSS 6542
Surface: Black & Gold
Use: Metal Drilling

Hss twist drill bits for drilling on copper, stainless steel, iron and other materials.

Hss twist Drill Bits use long life, Factory price.