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High Wear Resistance Retractable Hard Rock Drill Bits

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High Wear Resistance Retractable Hard Rock Drill Bits

Brand Name : OEM

Certification : ISO,CE

Place of Origin : CHINA

MOQ : 1 set

Price : Negotiation

Payment Terms : T/T, L/C, T/T, Western Union

Supply Ability : Based on the detailed quotation

Delivery Time : 10-20 days working days

Packaging Details : Wooden cases standard export package

Parts Name : Rock Carbide Drill Bits

Diameter : 33-178mm

Face design : Flat, Drop, Centre

Material : Carton Steel+Tungsten carbide

Usage : Oil/Gas field,Coal mining etc.

Mining Object : granite, marble, sandstone,limestone

Processing Type : Forging

Model : R22, R25, R28, R32, R35,R38, etc

carbide shape : spherical, ballistic

Color : Yellow,Gold ,Orange,Black,blue ect.

Application : Mining, Blasting,road Construction Hole Drilling

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High Wear Resistance Retractable Hard Rock Drill Bits

Retractable rock drill button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.

• Recommended for eliminating hole deviation
• Widely used drifting and tunneling
• Bit face design is ideal for medium-hard to hard abrasive rock

Suitable for powerful percussive drills and top hammers with high speed drifter,,such as Atlas Copco 282 rocket boomer,Atlas Copco 352 rocket boomer jumbo,AtlasCopcoD7roc,FurukawaHCR 1200, Tamrock,and Ingesoll Rand ECM660,the products are widely used in bench and production drilling, extensional drilling,our products with comparative advantages of the more prominent cost-effective as the famous brand in the world, our products have been recognized as high-quality brand of rock-drilling tools made in China.

Retractable rock drill button bit suitable for small hole range
Retractable rock drill button bit widely used in Dimensional Stone Quarrying Industry
Retractable rock drill button bit widely used in Underground Mining Industry

T38 Retract rock drill button bit most popular size:64mm,70mm,76mm,89mm

Characteristics

1. Reaming Drill Bit connect with tapered drill rod perfectly for drilling holes.
2. Stable and mature welding technology ensure high quality of bits.
3. Accurate dimension of taper degree perfectly matches the rods.
4. work reliable and very cost-effective.
5. High grade tungsten carbide inserts.
6. Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment.
7. Long life
8. Lower consumption
9. Wide selections of drill bits
10. Delivery quickly

Advantage

1. High penetration rate for productivity.

2. Extended service life and lower drilling cost.

3. Excellent straightnesss and hole clean quality.

Parameter

Diameter		NO*Button Dia		Gauge	Flushing		Approx's	Part No.
Dia		Front	Gauge	Buttons	Hole		Weight
mm	inch	EA	EA	Angle	Front	Side	kg
32	1 1/4	2*7	3*8	35	1*6	2*4	0.2	Q532-722
33	1 19/64	2*7	4*7	40	1*5	1*5	0.2	Q633-722
33	1 19/64	2*7	5*7	35	2*4	1*4	0.2	Q733-722
34	1 11/32	2*7	4*7	40	1*5	1*5	0.29	Q634-722
35	1 3/8	2*7	5*7	35	1*5	1*5	0.22	Q735-722
36	1 27/64	1*8	3*9	40	1*6	1*6	0.3	Q436-722
36	1 27/64	2*7	4*7	40	1*6	1*6	0.35	Q636-722
36	1 27/64	2*7	5*8	35	1*6	1*5	0.3	Q736-722
38	1 1/2	1*9	3*9	40	1*6	1*6	0.35	Q438-722
38	1 1/2	2*8	4*8	40	1*6	1*6	0.35	Q638-722
38	1 1/2	2*7	5*8	35	1*6	1*5	0.35	Q738-722
38	1 1/2	2*7	5*9	40	2*4	1*4	0.35	Q738-722A
40	1 37/64	1*9	3*9	40	1*6	1*6	0.35	Q440-722
40	1 37/64	2*7	5*9	35	1*6	1*5	0.35	Q740-722
41	1 5/8	2*7	5*9	35	1*6	1*5	0.35	Q741-722
42	1 21/32	1*9	3*9	30	1*6	1*6	0.35	Q741-722
42	1 5/8	2*7	5*9	35	1*6	1*5	0.35	Q442-722

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