Waheynao Factory Direct Long Extra Bit 4mm Set Shank HSS Twist Drills

Product Description

Product detail

1. Raw micro grain material, high hardness and T.R.S

Carbide Coolant Hole Drill
Diameter:   1-30mm
Diameter Tolerance:  +0.0mm/-.008mm (+0.0" / .0003")
Helix Angle: 30 degrees
Margin on the flute: 2.05% of the diameter
Length of cut: 6.732"
straight shank
OAL: 8.740"
Point Angle: 140°      
point angle tolerance is ±2°

 Material: WC:88%,CO12%,Grain size:0.4,Density:14.3,Hardness:92.5,KIC:9.4,TRS:>350

2.  Application and usage
 
Suitable to cut Copper, Cast Iron, Carbon steel, Tool steel, Mould steel, Stainless steel, Plastic, Arcylic, etc. 
 

item	value
Warranty	3 months
Customized support	OEM, ODM
Place of Origin	China
Province	Hunan
Brand Name	WAHEYNAO
Type	Twist Drill Bit, Other, HSS drill bit
Use	Metal Drilling
Finish	Black Oxide, Bright, Amber (Cobalt), Titanium Coating
Type	Twist drill bit
USE	Stainless Steel Metal Hardened steel Drilling
Process	Full ground
Sizes	1-25.5mm
Customized	OEM/ODM
Material	HSS4241, HSS4341,HSS6542(M2),HSS Cobalt 5%(M35)
Standard	DIN 338 standard, ASME/ANSI
Angle point	118 degree or 135 degree with split point
Product name	HSS Straight Shank Twist Drill Bit
package	plastic box packing

 
3. Super coating

TiSiN  TiAlN  AlTiN  TiCN or Blue Nano Coating

Item	AlTiN	TiAiN	TiSiN	nAcO
Hardness(HV)	3200	2800	3600	42(GPA)
Thickness(UM)	2.5-3	2.5-3	3	3
Oxidation Temp( ° )	900	800	1000	1200
Friction	0.3	0.3	0.45	0.4
Color	Black	Violet	Copper	Blue

	Flute dia (d)	Cutting length ( l )	Shank dia (D)	Overall length(L)
1.0×3×4D×50L	1.0	3	4	50
1.5×4×4D×50L	1.5	4	4	50
2.0×6×4D×50L	2.0	6	4	50
2.5×7×4D×50L	2.5	7	4	50
3.0×8×4D×50L	3.0	8	4	50
3.5×10×4D×50L	3.5	10	4	50
4.0×11×4D×50L	4	11	4	50
4.5×13×6D×50L	4.5	13	6	50
5.0×13×6D×50L	5.0	13	6	50
5.5×13×6D×50L	5.5	13	6	50
6.0×15×6D×50L	6.0	15	6	50
6.5×15×8D×60L	6.5	15	8	60
7.0×17×8D×60L	7.0	17	8	60
7.5×17×8D×60L	7.5	17	8	60
8.0×20×8D×60L	8.0	20	8	60
8.5×23×10D×75L	8.5	23	10	75
9.0×23×10D×75L	9.0	23	10	75
9.5×25×10D×75L	9.5	25	10	75
10.0×25×12D×75L	10.0	25	12	75
10.5×28×12D×75L	10.5	28	12	75
11.0×28×12D×75L	11.0	28	12	75
11.5×28×12D×75L	11.5	28	12	75
12.0×30×12D×75L	12.0	30	12	75
13.0×33×16D×100L	13.0	33	16	100
14.0×35×16D×100L	14.0	35	16	100
15.0×38×16D×100L	15.0	38	16	100
16.0×40×16D×100L	16.0	40	16	100
17.0×40×20D×100L	17.0	40	20	100
18.0×40×20D×100L	18.0	40	20	100
19.0×40×20D×100L	19.0	40	20	100
20.0×40×20D×100L	20.0	40	20	100
25.0×40×25D×100L	25.0	40	25	100

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FAQ

 

1) When can I get the price?
We usually quote within 24 hours after we get your inquiry.If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.2) How can I get a sample to check your quality?

After price comfirmed, you can place an small trial order to test, but if you need only 1-2 pcs, we can send the free to you, and you need to pay the shipping cost, please noted.

3) How long does the whole procedure being worked out?

After you place a order,the production handling time is about 25-30 days. 

4) What about the transportation and delivery date?

Normally, we use the DHL, TNT, UPS, FeDEx to send the goods, the shipping time around 5-7 days can be reach in your local