R25 (1″) REAMING TOOLS cut holes / Pilot adapter, 6° taper

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Reaming Drilling Tools

Usage:
Reaming drilling tools are utilized after a pilot hole has been drilled to a specified depth, when a larger diameter needs to be reamed out.

Products Manufactured:

• Pilot reaming drilling tools
• Domed reaming button bits
• Adapter reaming button bits

Composition:
Pilot reaming drilling tools are comprised of pilot adapters and reaming button bits. Both domed reaming button bits and adapter reaming button bits feature a one-piece design.

Parameters:

• Thread size: R25, R28, R32
• Pilot adapter head diameter: Ranges from 26mm to 40mm
• Pilot bit degree: 6° or 12°
• Reaming button bit diameter: Ranges from 64mm to 102mm
• Reamer button bit degree: 6° or 12°

Features:

• Alloy buttons are hot mounted into the drill bit, guaranteeing precision and durability.
• Reliability is ensured through the use of premium drill bit materials and alloy buttons.
• Various types are designed to cater to different drilling scenarios and rock conditions.
• Offers high-speed drilling and efficiency.
• Cost-effective, with good performance at a reasonable price.

Applications:
Suitable for drilling works involving blasting duties in tunneling, construction, mining, quarrying, and other relevant industries.

Pilot Bits 6°, 12°

Diameter		Length	Thread	Taper Degree
mm	inch	mm
26	1 1/32	300	R25	6°
26	1 1/32	300	R28	6°
26	1 1/32	300	R32	6°
35	1 3/8	250	R25	12°
38	1 1/2	250	R28	12°
40	1 9/32	250	R32	12°

Reammer Button Bits 6°, 12°

Diameter		T.C (tungsten carbide) Buttons		Angle	Taper Degree
mm	inch	Gauge x mm	Front x mm	Gauge
64	2 1/2	8 x 10	2 x 9	35°	6°
76	3	8 x 11	2 x 11	35°	6°, 12°
89	3 1/2	8 x 11	4 x 11	35°	6°, 12°
102	4	8 x 13	4 x 13	35°	6°，12°