Thread R25

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Top Hammer Drilling Tools for Drifting and Tunneling

Bit Diameter: 33mm-45mm
Length of drill rod: 250mm-4000mm
Button bit design: Flat face, drop centre, normal and retrac body.
Tungsten carbide (Buttons): Spherical, ballistic and conical.
Applications: Drifting, tunneling, bench

We have different designs for various rock formations, and a longer service life to decrease use costs for users.

Button bit	Dimensions D		Flushing hole (mm)			Buttons (mm)		Angle	Class	Part no.
Button bit	mm	in	Front No size		Gauge No size	Front No size	Gauge No size	Angle	Class	Part no.
	333538 41 43 45	1 5/16 1 3/8 1 1/2 1 5/8 1 11/16 1 3/4	1×5 1×5 1×5 1×5 1×5 1×5.5		1×5 1×5 2×5 2×5 2×5 2×5.5	2×7 2×7 2×7 2×8 2×8 2×9	5×7 5×8 5×9 5×9 5×10 5×11	30° 30° 30° 30° 30° 30°	H H H H H H	3033R2507 3035R2507 3038R2507 3041R2507 3043R2507 3045R2507
	33 41	1 5/16 1 5/8	2×4.5 2×5.5		2×4.5 2×5	2×7 2×8	6×7 6×9	30° 30°	S S	3033R2508 3041R2508
	38	1 1/2	2×5		2×5	2×8	6×8	30°	S	3038R25F08
	43 45	1 11/16 1 3/4	3×5 3×5		- 1×5	3×8 3×8	6×9 6×10	30° 30°	M M	3043R2509 3045R2509
Reaming tools
Pilot bit 6°taper	40	1 37/64	2×5	2×5.5		2×8	4×9	30°	-	3040R2506KP
Reaming bit 6°taper	76	3	-	-		-	8×11	35°	-	3076R2508KR

Drill rod	Dimensions L			Dimensions D		Part no
Drill rod	mm	ft	in	mm	in	Part no
Shank rod with hex 22*108 with thread R25	250 1500 2400 3200 4000	- 4 7 10 13	10 11 10 6 1	22 22 22 22 22	7/8 7/8 7/8 7/8 7/8	1022R2502 1022R2515 1022R2524 1022R2532 1022R2540
Shank rod with hex 25*108 with thread R25	250 1500 2400 3200	- 4 7 10	10 11 10 6	25 25 25 25	1 1 1 1	1025R2502 1025R2515 1025R2524 1025R2532
Hex rod 25 with threads R25/R25	2200 2475 2600 2800 3100	7 8 8 9 10	2 2 6 2 2	25 25 25 25 25	1 1 1 1 1	2125R2522 2125R2524 2125R2526 2125R2528 2125R2531
Hex rod 25 with threads R25/R25 (MF)	1525 1830	5 6	- -	25 25	1 1	2125R25MF15 2125R25MF18

Coupling	L (mm)	Dimensions D		Part no
Coupling	mm	mm	in	Part no
R25-R25	140	34	1 11/32	MX-R253414
Crossover coupling R25-R32	175	45	1 3/4	MX-R25R324517