Description

Drilling Tool Overview

After heat treatment, our drilling tools are tough enough to meet the requirements of rock drilling in open-pit mining, and energy loss during the drilling process is minimal.

Product Introduction

This webpage mainly introduces the R32 threaded button bit, R32 threaded retract button bit, R32 threaded cross bit, and coupling sleeve.

Technical Specifications of R32 Threaded Button Bit

Connection thread: R32
Head material: Tungsten carbide
Bit body material: High-strength alloy steel
Flushing grooves: Distributed along the bit for chip removal and cooling
Head design: Spherical button shape
Diameter: 51 mm, 57 mm, 64 mm, 76 mm, etc.
Gauge angle: 30 degrees and 35 degrees
Gauge buttons: 6×10 mm, 6×11 mm, 8×11 mm, etc.
Center buttons: 3×9 mm, 3×10 mm, 4×10 mm, etc.
Weight: 1.1 kg to 2.5 kg
Head manufacturing process: Hot-melt inlay technology
Other manufacturing processes: Full carburizing heat treatment, high-frequency treatment, and phosphating process

Technical Specifications of R32 Threaded Retract Button Bit

Connection thread: R32
Head material: Tungsten carbide
Bit body material: High-strength alloy steel
Flushing grooves: Distributed along the bit for chip removal and cooling
Head design: Spherical button shape
Diameter: 51 mm and 64 mm
Gauge angle: 30 degrees
Gauge buttons: 6×11 mm, 8×12 mm, etc.
Center buttons: 3×10 mm, 4×11 mm, etc.
Weight: 1.3 kg and 2.5 kg
Head manufacturing process: Hot-melt inlay technology
Other manufacturing processes: Full carburizing heat treatment, high-frequency treatment, and phosphating process

Technical Specifications of R32 Threaded Cross Drill Bit

Connection thread: R32
Head material: Inlaid tungsten carbide teeth
Bit body material: High-strength alloy steel
Flushing grooves: Distributed along the bit for waste removal and cooling medium
Head design: Cross shape
HxT: 16×10 mm
Diameter: 50 mm, 55 mm, 65 mm
Weight: 1.1 kg to 1.6 kg

Technical Specifications of Coupling Sleeve

Type: Middle stop and reduction
Thread connection type: R32 and T38
Length: 160 mm, 170 mm, 190 mm
Diameter: 45 mm, 55 mm
Material: Forged high-strength alloy steel
Manufacturing process: Full carburizing heat treatment
Weight: 1.1 kg to 2.0 kg

Button Bit

R32 threaded retract button bit for bench drilling tools
Thread bit, Button	D (mm)	D (inch)	Buttons Gauge	Buttons Centre	Gauge button angle	Thread	Order number	Weight (kg)
Button	51	2	6 x 10 mm	3 x 10 mm	35 degree	R32	B173-5109-5405	1.1
	57	2 1/4	6 x 11 mm	3 x 10 mm	35 degree	R32	B173-5709-5405	1.2
	51	2	6 x 10 mm	3 x 9 mm	35 degree	R32	B173-5109-5445	1.1
Button	64	2 1/2	8 x 11 mm	4 x 10 mm	30 degree	R32	B173-6412-5403	1.5
	76	3	8 x 11 mm	4 x 11 mm	35 degree	R32	B173-7612-5405	2.4
	64	2 1/2	8 x 11 mm	4 x 10 mm	35 degree	R32	B173-6412-5445	1.5
	76	3	8 x 11 mm	4 x 11 mm	35 degree	R32	B173-7612-5445	2.4
Button	76	3	8 x 11 mm	5 x 10 mm	35 degree	R32	B173-7613-5405	2.4
Button	76	3	8 x 11 mm	6 x 10 mm	35 degree	R32	B173-7614-5445	2.4
Button, flat, retrac	51	2	6 x 11 mm	3 x 10 mm	30 degree	R32	B174-5109-5405	1.3
	64	2 1/2	8 x 12 mm	4 x 11 mm	30 degree	R32	B174-6412-5403	2.5
	51	2	6 x 11 mm	3 x 10 mm	30 degree	R32	B174-5109-5443	1.3

Cross Bit

Threaded Cross Drill Bit
Thread bit, Insert	D (mm)	D (inch)	Insert H x T	Thread	Order number	Weight (kg)
Cross	50	2	16 x 10 mm	R32	B158-5016-5410	1.1
	55	2 1/4	16 x 10 mm	R32	B158-5516-5410	1.2
	65	2 1/2	16 x 10 mm	R32	B158-6516-5410	1.6

Coupling Sleeve

Threaded Coupling Sleeve
Coupling sleeve	L (mm)	L (inch)	D (mm)	D (inch)	Thread	Order number	Weight (kg)
Middle stop	160	6 1/4	45	1 47/64	R32, R32	B302-4516-5454	1.1
Reduction	170	6 3/4	55	2 5/32	R32, R38	B303-5517-5456	1.7
Reduction	190	7 1/2	55	2 5/32	R32, T38	B303-5519-5476	2.0

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R32 threaded retract button bit for bench drilling tools