High Performance Solid Carbide Drill Bit with Coolant Through for Wholesale

• Customized: Customized
• Standard: BIN, JIS, AISI, API, TUV
• Type: Twist Drill Bit
• Material: Solid Carbide
• Usage: Metal Drilling
• Flute Diameter: 3-40
• Model NO.: 1058
• Overall Length: 50-330
• Precision: 0.01mm
• HRC: 45/50/55/60/65
• Coating: Altin/Tialn/Helica etc
• Delivery: 7-15 Working Days
• Suitable for: Steel,Stainless Steel,Cast Iron etc
• Flute Number: 2
• Transport Package: Plastic Box
• Trademark: eitfs
• Origin: China
• HS Code: 8207509000
• Production Capacity: 100000/Year

Product Description

Super Raw Material

 

HRC 45	HRC 55	HRC 60	HRC 65
YG10X	YL10.2&WF25	Germany K44&K40	Sandvik H10F
Grain size 0.7 μm,Co10%,Flexural strength 3320N/mm²	Grain size 0.6 μm,Co10%,Flexural strength 4000N/mm²	Grain size 0.5 μm,Co12%,Flexural strength 4300N/mm²	Grain size 0.5 μm,Co10%,Flexural strength 3320N/mm²

Super Coating

Coating	Hardness HV	Thickness μm	Friction Coefficient	Oxidation Temp	Color
AlTiN	3500	2.5-3	0.3	900	Black
TiAlN	2800	2.5-3	0.3	900	Violet
TiSiN	3600	3	0.45	1000	Bronze
AlTiSiN	4000	3	0.4	1200	Blue
TiN	2500	2-3	0.5	600	Gold

Details

D1	D2	L1	L2	L3	L4	Coolant
4.00	6	74	36	29	36	With/Without Inner Coolant
4.50-6.00	6	82	44	35	36	With/Without Inner Coolant
6.50-8.00	8	91	53	43	36	With/Without Inner Coolant
8.50-10.00	10	103	61	49	40	With/Without Inner Coolant
10.50-12.00	12	118	71	56	45	With/Without Inner Coolant
12.50-14.00	14	124	77	60	45	With/Without Inner Coolant
14.50-16.00	16	133	83	63	48	With/Without Inner Coolant
16.50-18.00	18	143	93	71	48	With/Without Inner Coolant
18.50-20.00	20	153	101	77	50	With/Without Inner Coolant

Why choose us
1.Super resistance to oxidation of the coating

2.Comparison on abrasion of the top cutting edge after processing 60m

3.Comparison on abrasion of the side cutting edge after processing 60m


Who we are


Packing and delivery