R25 R28 R32 R35 Thread Rock Button Drill Bits for Tunnelling

• Customized: Customized
• Length: Stub-length
• Type: Center Drill Bit
• Material: Tungsten Carbide
• Usage: Well Drilling, Metal Drilling, Masonry Drilling
• Model: R25 R28 R32 R35
• Model NO.: R25 R28 R32 R35
• Diameter: 41-51mm
• Carbide: Steel
• Button: 8-15
• Process: Froging
• Skirt Body: Normal
• Transport Package: Wood Package
• Specification: CE, SGS, ISO: 9001
• Trademark: PRODRILL
• Origin: China
• HS Code: 82071990
• Production Capacity: 5000PCS/Months

Product Description

Thread Button Bits: High quality and several thread with various carbide tips like YK05 are available. All products can be developed upon customers' request.
Prodrill supply all kind of button bits with Rope thread R22, R25, R28, R32, R35, R38 and T thread, T38, T45, T51, ST58, ST68, T60 etc. for world famous brand drill rig.

Main button bits is:
R32-43MM, R32-45MM, R32-51, R32-64, R32-76;
T38-64, T38-76MM, T38-89, T38-102MM;
T45-76MM, T45-89MM, T45-102MM;
T51-89MM, T51-102MM, T51-127MM etc.
All face design, flat face, drop-center face, normal body and retrac body.






Product features:
Premium designs and steel and premium tungsten carbide insert grade T6 supplied by Boart Long year, Offers industry-leading strength and penetration rates for more productivity,Excellent straightness and hole clean quality,Get max.drilling performance for rock drills with long life to save .
 

Top hammer bits with R32 Thread
Part number	Diameter	Buttons	Buttons front	Flushing	Flushing  front	Body	Front
		gauge		gauge
41NF	41mm	6x8mm	2x 8mm	1	2	Normal	Flat
43NF	43mm	6x9mm	2x8mm	1	2	Normal	Flat
45NF	45mm	5x10mm	2x9mm	2	1	Normal	Flat
48ND	48mm	6x10mm	3x9mm	2	3	Normal	Dropcenter
48RD	48mm	6x10mm	3x9mm	2	3	Retrack	Dropcenter
51ND	51mm	6x10mm	3x9mm	0	3	Normal	Dropcenter
51RD	51mm	6x10mm	3x9mm	0	3	Retrack	Dropcenter

Top hammer bits with R35 Thread
Part number	Diameter	Buttons	Buttons	Flushing gauge	Flushing  front	Body	Front
		gauge	front
48ND	48mm	6x10mm	3x9mm	2	3	Normal	Dropcenter
51ND	51mm	6x10mm	3x9mm	0	3	Normal	Dropcenter
51RD	51mm	6x10mm	3x9mm	0	3	Retrack	Dropcenter

 

Top hammer bits with T38 / R38 thread
Part number	Diameter	Buttons	Buttons	Flushing  gauge	Flushing   ront	Body	Front
		gauge	front
64RD	64mm	8x10mm	4x10mm 1x8mm	0	4	Retrack	Dropcenter
76ND	76mm	8x12mm	5x11mm	0	4	Normal	Dropcenter
76RD	76mm	8x12mm	5x11mm	0	4	Retrack	Dropcenter
R38
64RD	64mm	8x10mm	4x10mm	0	4	Retrack	Dropcenter
			1x8mm
76ND	76mm	8x12mm	5x11mm	0	4	Normal	Dropcenter
76RD	76mm	8x12mm	5x11mm	0	4	Retrack	Dropcenter