DTH HAMMERS
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The Robit® X N120 hammer is designed to operate over a wide range of operating air pressures. A 6⅝” API reg. pin backhead is supplied as standard. The Robit® X N120 is fitted with a positive seating water check valve and is supplied as standard fitted with a solid choke. The Robit® X N120 is designed to accept button bits with a shank identical to the Sandvik Mission SD10. However, the Robit® X N120 can be supplied to accept the Numa 100 type of bu

Robit® X N120 Valveless Hammer 10 Component parts Part Number 3 Check Valve Spring 6 Control Tube Holder 7 Control Tube Buffers (2) 11 Piston Retaining Ring Complete Hammer Hammer specifications English Metric

The Robit® XII N120 hammer is designed to operate over a wide range of operating air pressures. A 6⅝” API reg. pin backhead is supplied as standard. The Robit® XII N120 is fitted with a positive seating water check valve and is supplied as standard fitted with a solid choke. In addition to the standard N120 button bit, the hammer can easily be modified to accept button bits with Mission SD12 and Ingersoll Rand DHD112 shank

Robit® XII N120 Valveless Hammer 12' Component parts Part Number 2 Backhead / Chuck 'O' Ring 4 Check Valve Spring 7 Control Tube Holder 8 Control Tube Buffers (2) 9 Control Tube 'O' Ring 13 Piston Retaining Rings (2) 19 Breakout Washer backhead 20 Breakout Washer chuck Complete Hammer Hammer specifications English Metric

The Robit® XII SD12 hammer is designed to operate over a wide range of operating air pressures. A 6⅝” API reg. pin backhead is supplied as standard. The Robit® XII SD12 is fitted with a positive seating water check valve and is supplied as standard fitted with a solid choke. In addition to using Mission SD12 button bits, the hammer can easily be modified to accept button bits of N120 and IR DHD112 shank

Robit® XII SD12 Valveless Hammer 12' Component parts Part Number 4 Check Valve Spring 9 Control Tube 'O' Ring 13 Piston Retaining Ring 17 Chuck Breakout Washer 18 Backhead Breakout Washer Complete Hammer Hammer specifications English Metric

The Robit® XII QL120 hammer is a valveless DTH hammer designed to operate efficiently at pressures ranging from 7 to 17.2 bar (100 250 psi). The Robit® XII QL120 is supplied with a 6⅝” API regular pin backhead and is fitted with a positive seating check valve as standard. In addition to the standard Hyper 121 button bits, the the Robit® XII QL120 can be modified to accept bits with Mission SD12 and DHD112 shank design by replacing the Chuck, Piston, Bit retainer, Wearsleeve and b

Robit® XII QL120 Valveless Hammer 12” for 311 mm (12¼”) - 445 mm (17½”) diameter holes Component parts Part Number Backhead 6⅝” reg Pin Backhead / Chuck ‘O’ Ring Check Valve Check Valve Spring Diverter Compression Buffer Control Tube Holder Control Tube Buffers Control Tube ‘O’ Ring Control Tube Piston Wearsleeve Bit Retainer (pair) Bit Retaining ‘O’ Ring Chuck Breakout Washer Backhead Complete Hammer 11 Hammer specifications English Piston weight

The Robit® XII 12½/300 N125 hammer is designed to operate over a wide range of operating air pressures. A 6⅝” API Reg. Pin Backhead is supplied as standard. The hammer is fitted with a positive seating water check valve and is supplied as standard, fitted with a solid choke. The Robit® XII 12½/300 N125 is primarily designed to be used with the Numa 125, but other shanks will be considered

Robit® XII N125 Valveless Hammer 121/2"/300 Component parts Part Number 4 Check Valve Spring HSH12110 7 Control Tube Holder HSH12131 8 Control Tube Buffers (2) HSH12129 13 Guide Bush Retaining Ring HSH12132125 14 Bearing Guide Bush HSH12187125 17 Chuck (N125 c/w drive plate slots) HSH12135125 19 Breakout Washer (chuck) HSH12126125 20 Breakout Washer (backhead) HSH12125125 22 Piston Retaining Ring HSH12132 Complete Hammer Hammer specifications

The Robit® XIV N125 hammer is a valveless D.T.H Hammer designed to operate over a wide range of operating pressures. The hammer is supplied with a 6⅝” API regular pin backhead as standard. The Robit® XIV N125 is fitted with a positive seating Water Check Valve and is supplied as standard, fitted with a Solid Choke. The hammer is primarily designed to be used with the Numa 125, but other shanks will be considered on r

Robit® XIV N125 Valveless Hammer 14” for 350 mm (13¾”) - 508 mm (20”) diameter holes Component parts Part Number Check Valve Check Valve Spring Compression Buffer Control Tube Holder Control Tube Buffers (2) Control Tube Control Tube ‘O’ Ring Chuck (N125 C/W drive plate slot) Chuck Bearing Breakout Washer (Chuck) Breakout Washer (Backhead) Complete Hammer Hammer specifications English Weight (less bit) Length (less bit) Outside dia. Piston weight Stroke

The Robit® XVIII N180 hammer is a valveless D.T.H Hammer designed to operate efficiently at pressures ranging from 7 to 15.5 bar (100-225 psi). The hammer is supplied with a 8⅝” api reg pin backhead as standard but a 8⅝” api reg box backhead can be supplied. In addition to the standard Hyper 181 N180 button bits, the Robit® XVIII N180 can easily be modified to accept bits with Mission SD18 and QL200 shank design by simply replacing the Chuck, Piston, Bit retainer a

Robit® XVIII N180 Valveless Hammer 18” for 458 mm (18”) - 660 mm (26”) diameter holes Component parts Part Number Check Valve Check Valve Spring Valve Chest Compression Buffer Buffer Cover Tube Holder Control Tube Chuck Bearing Breakout Washer Complete Hammer Hammer specifications English Weight (less bit) Length (less bit) Outside dia. Bore dia. Piston weight Stroke

The Robit® XVIII SD18 hammer is a valveless D.T.H Hammer designed to operate efficiently at pressures ranging from 7 to 15.5 bar (100-225 psi). The hammer is supplied with a 8⅝” api reg pin backhead as standard but a 8⅝” api reg box backhead can be supplied. In addition to this Robit® XVIII SD18 model, the hammer can easily be modified to accept bits with Numa 180 and QL200 shank design by simply replacing the Chuck, Piston, Bit retainer a