Thread R35

: http://max-drilling.com

Top Hammer Drilling Tools for Drifting and Tunneling

Bit Diameter: 48mm-57mm
Length of drill rod: 2800mm-5530mm
Button bit design: Flat face, drop center, 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
	48 51	1 7/8 2	1×5.5 2×6	2×5.5 1×5	2×9 2×9	5×11 5×11	30° 30°	H H	3048R3507 3051R3507
	48 51 54 57	1 7/8 2 2 1/8 2 1/4	3×5 3×5.5 3×6 3×7	1×5 1×5.5 1×6 1×6	3×9 3×9 3×10 3×10	6×10 6×10 6×11 6×11	30° 35° 35° 35°	M M M M	3048R35F09 3051R35F09 3054R35F09 3057R35F09
	54 57	2 1/8 2 1/4	3×6 3×6	1×5.5 1×6	3×10 3×10	6×11 6×11	35° 35°	M M	3054R3509R 3057R3509R
Reaming tools
Pilot bit 12° taper	41	1 5/8	2×5	2×5.5	2×8	4×9	30°	-	3041R3506KP
Reaming bit 12° taper	89 102	3 1/2 4	- -	- -	4×10 4×10	8×11 8×11	35° 35°	- -	3089R3512KR 30102R3512KR
Dome bit	76 89 102	3 3 1/2 4	2×9 2×9 2×9	2×7 2×8 2×9	1×11 1×12 1×12	14×11 14×12 14×12	35° 35° 35°	- - -	3076R3515KD 3089R3515KD 30102R3515KD

Drill rod	Dimensions L			Dimensions D		Part no
Drill rod	mm	ft	in	mm	in	Part no
Hex rod 35 with threads R35/T38	4310 4920 5530	14 16 18	2 2 2	35 35 35	1 1/4 1 1/4 1 1/4	2135T38R3543 2135T38R3549 2135T38R3555

Coupling	Dimensions				Part no
Coupling	L mm	in	D mm	in	Part no
R35-R35	160	6 1/4	48	1 7/8	MX-R354816
Crossover coupling R32-R35	171	6 3/4	48	1 7/8	MX-R35R324817