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25Pcs HSS Cobalt Drill Bits for Hardened Steel

Twist Drill Bit Set Details

Raid Chip Removal

Twist Drill Bit Set Use

MULTIPLE APPLICATION

FULY GROUND HSS CONSEUCTION Black Oxide Coating

25Pcs HSS Cobalt Drill Bits with tin box

25Pcs HSS Cobalt Drill Bits for Hardened Steel

Twist Drill Bit Set Details

Raid Chip Removal

Twist Drill Bit Set Use

MULTIPLE APPLICATION

FULY GROUND HSS CONSEUCTION Black Oxide Coating

25Pcs HSS Cobalt Drill Bits with tin box

25Pcs HSS Cobalt Drill Bits for Hardened Steel

$11.37 – $34.95

Sample: $11.37/1set(HSS 4241)

Material: HSS4241 , HSS4341 , HSS 6542(M2) , M35

Size: 1-13mm

Delivery Time:

1set	100sets	500sets	>500sets
3 days	7days	15days	To be negotiated

Customization:

Customized logo (Min. order 100 sets)

Customized packaging (Min. order 1000 sets)

For other custom requirements, please contact us.

Description
Additional information

25Pcs HSS Cobalt Drill Bits for Hardened Steel 1-13mm

25Pcs Cobalt Drill Bits for Hardened Steel include: 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13 mm.
Quality High Speed Steel provides all drills power cutting, impressive performace and long tool life.
Precision fully ground edges and flutes ensure fast drilling, excellent chips moving smoothly and ultimate accuracy.
Black surface finish resists corrosion and lubricates the drill bits better for cutting metal, wood, and plastic.
135-degree split point prevents “Walking”, reduce logging, and penetrates hard material without a pilot hole.

25Pcs Cobalt Drill Bits for Hardened Steel Specification

Diameter(MM)	Working Length(MM)	Overall(MM)
1.0	12	34
1.5	18	40
2.0	24	49
2.5	30	57
3.0	33	61
3.5	39	70
4.0	43	75
4.5	47	80
5.0	52	86
5.5	57	93
6.0	57	93
6.5	63	101
7.0	69	109
7.5	69	109
8.0	75	117
8.5	75	117
9.0	81	125
9.5	81	125
10.0	87	133
10.5	87	133
11.0	94	142
11.5	94	142
12.0	101	151
12.5	101	151
13.0	101	151

DIN	338
Flute Type	Twist Flute
Material	HSS 4241, Hss 4341, HSS 6542(M2), HSS M35
Package	25PCS/Iron Box
Point Angle	135°
Producing Process	Fully Ground
Shank	Straight Handle
Applications	Metal, Stainless steel, Aluminum Alloy, Cast Iron, Plastic, Wood
Surface Finishes	Black Oxide
MOQ	100Sets

Why our products are of good quality

Strict raw material selection

Strict raw material selection

First class heat treatment process

Advanced heat treatment process

Hardness measurement of drill bits

Professional testing equipment

Drill bit performance sampling test

Quality Sampling Test

Why choose ZhongZuan Tools

After-sales service

OEM custom service

fast delivery

free sample

Retailer Services

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