Name: R32 button cross drill bit and coupling sleeve for drifting
Brand: beentools

Description

Product Overview

This page mainly introduces the R32 threaded button bit, R32 threaded cross bit, and coupling sleeve, which are widely used in tunneling jumbo drilling tools.

Technical Specifications of the 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 cuttings removal and cooling
Head design: Spherical buttons
Diameter: 43 mm, 45 mm, 51 mm, etc.
Gauge button angle: 30 degrees and 35 degrees
Gauge buttons: 5 x 10 mm, 6 x 10 mm, etc.
Center buttons: 2 x 9 mm, 2 x 10 mm, etc.
Weight: 0.6 kg to 1.0 kg
Head manufacturing process: Hot-mounting technique
Other manufacturing processes: Full carburizing heat treatment, high-frequency treatment, and phosphating treatment

Technical Specifications of the R32 Threaded Cross Drill Bit

Connection thread: R32
Head material: Embedded tungsten carbide buttons
Bit body material: High-strength alloy steel
Flushing grooves: Distributed along the bit for the removal of waste cuttings and fluids, cooling medium
Head design: Cross type
HxT: 12 x 8 mm, 16 x 10 mm
Diameter: 43 mm, 51 mm, etc.
Weight: 0.8 kg to 1.1 kg

Technical Specifications of the Coupling Sleeve

Type: Middle stop
Thread connection: T38 and R38
Length: 170 mm and 190 mm
Diameter: 55 mm
Material: Forged high-strength alloy steel
Manufacturing process: Full carburizing heat treatment
Weight: 1.8 kg and 2.0 kg

Button Bit

R32 Threaded Button Bit
Thread bit, Button	D (mm)	D (inch)	Buttons Gauge	Buttons Centre	Gauge button angle	Thread	Order number	Weight (kg)
Button	43	1 11/16	5 x 10 mm	2 x 9 mm	30 degree	R32	B173-4307-5403	0.6
	45	1 3/4	5 x 11 mm	2 x 9 mm	30 degree	R32	B173-4507-5403	0.7
	48	1 7/8	5 x 11 mm	2 x 9 mm	35 degree	R32	B173-4807-5405	0.8
	51	2	5 x 11 mm	2 x 10 mm	35 degree	R32	B173-5107-5405	1.2
	45	1 3/4	5 x 11 mm	2 x 9 mm	30 degree	R32	B173-4507-5463	0.7
	48	1 7/8	5 x 11 mm	2 x 9 mm	35 degree	R32	B173-4807-5465	0.8
	51	2	5 x 11 mm	2 x 10 mm	35 degree	R32	B173-5107-5465	1.2
Button	45	1 3/4	6 x 10 mm	2 x 9 mm	35 degree	R32	B173-4508-5405	0.7
	48	1 7/8	6 x 10 mm	2 x 9 mm	40 degree	R32	B173-4808-5404	0.8
	51	2	6 x 11 mm	2 x 10 mm	40 degree	R32	B173-5108-5404	1.2
Button	43	1 11/16	6 x 10 mm	3 x 8 mm	30 degree	R32	B173-4309-5403	0.6
	45	1 3/4	6 x 10 mm	3 x 9 mm	30 degree	R32	B173-4509-5403	0.7
	48	1 7/8	6 x 10 mm	3 x 9 mm	35 degree	R32	B173-4809-5405	0.8
	51	2	6 x 11 mm	3 x 9 mm	35 degree	R32	B173-5109-5405	1.0
Button	48	1 7/8	6 x 10 mm	3 x 9 mm	30 degree	R32	B173-4809-5463	0.8
Button	51	2	6 x 10 mm	3 x 9 mm	35 degree	R32	B173-5109-5465	1.0