Hot Wholesale Carbide Long Drill Bits for Metal

• Customized: Non-Customized
• Standard: AISI
• Length: Jobber-length
• Type: Twist Drill Bit
• Material: Tungsten Carbide
• Usage: Metal Drilling
• Model NO.: Carbide Long Drill Bits
• Diameter: 1-20mm
• OEM: Accept
• Top Angle: 118-140 Degree
• Hardness: HRC45/55/60
• Coating: Tin/Tialn
• Samples: Avaliable
• Transport Package: 1PC in a Plastic Tube, 10PCS a Group
• Specification: SGS
• Trademark: Hiboo
• Origin: Changzhou Jiangsu China
• HS Code: 8207709000
• Production Capacity: 50000PCS/Month

Product Description

High Speed Solid Carbide Twist Drill Bit

1. Raw Material

HRC45	HRC55	HRC60	HRC65
YG10X	YG10.2 &WF25(Taiwan)	K44 & K40	Sandvik H10F
Grain Size:0.7um Co:10 % Flexural strength:3320N/mm2	Grain Size:0.6um Co:10 % Flexural strength:4000N/mm2	Grain Size:0.5um Co:12 % Flexural strength:4300N/mm2	Grain Size:0.4um Co:12.5 % Flexural strength:4300N/mm2

2.Super Coating

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

3. Super ANCA,Walter Grinding Machine



4. Each end mill is inspected by Zoller measuring and inspected machine. 


5. The following Specification for your refer, We also provide the OEM or ODM servic

(Order No)	Cutting	Flute	Shank	A.0.L
HJ3*16*4D*50L	3	16	4	50
HJ3.5*20*5D*50L	3.5	20	5	50
HJ4*22*6D*50L	4	22	6	50
HJ4.5*24*7D*70L	4.5	24	7	70
HJ5*26*8D*70L	5	26	8	70
HJ5.5*28*9D*70L	5.5	28	9	70
HJ6*28*10D*70L	6	28	10	70
HJ6.5*30*11D*75L	6.5	30	11	75
HJ7*30*12D*75L	7	30	12	75
HJ7.5*30*14D*75L	7.5	30	13	75
HJ8*30*14D*75L	8	30	14	75
HJ8.5*35*15D*90L	8.5	35	15	90
HJ9*40*16D*90L	9	40	16	90
HJ9.5*40*17D*90L	9.5	40	17	90
HJ10*40*18D*90L	10	40	18	90
HJ11*40*19D*100L	11	40	19	100
HJ13*45*20D*100L	13	45	20	100

6. Package and shipping details
Laser brand on the cutter's shank , 1 pc in a plastic tube , 10pcs a group
Delivery Time
For samples , we dispatch your tools in 2-7 workdays .
For formal orders,We delivery tools to you in 7-30 workdays , it will depond on your order quantity .



7. Payment Term
T/T ,Western Union , MoneyGram,L/C 

8.Why Choose Hiboo Tools