DTH Hammers

Key Features

High performance
Additional wear protections

Application Area

Mining
Waterwell
Construction

Compr Mining Services offers a range of heavy duty DTH hammers to drill hole diameters ranging from 4½” to 10”.

Our hammers are designed to offer maximum performance.
All our heavy duty hammers are supplied with hard facing welding on the top sub, drive sub and reversible wear sleeve.
All these additional features are to ensure our customers benefit from the extended life of the tool.

Key Features

Hard facing on the top sub
Hard facing on the ends of wear sleeve
Reversible heavy duty wear sleeve
Hard facing on the drive sub

Application Area

Mining
Waterwell
Construction

FD DHD 340

DTH hammers are suit to drilling hole diameters ranging from 4 1/2“ (115mm) to 5“ (127mm)

FD Q5

FDQ5 DTH hammers are suit to drilling hole diameters ranging from 5“ (127mm) to 6“ (155mm)

FD Q6

FMS FDQ6 valve less DTH hammers are suit to drilling hole diameters ranging from 6“ (154mm) to 8“ (203mm)

FD Q8

FMS FDQ8 valve less DTH hammers are suit to drilling hole diameters ranging from 8“ (200mm) to 10“ (250mm)

Specification
	Description	DHD 340	FDQ 5	FDQ 6	FDQ 8
01	Hole Diameter	115 – 127	127 -155	165-203	200-250	mm
02	Hammer Diameter	98	116	144	178	mm
03	Hammer Length without Bit	1000	1130	1035	1315	mm
04	Weight without Bit	37	58	95	195	Kg’s
05	Piston Weight	9	11.5	18.8	43	Kg’s
06	Top sub across flat dimension	64	89	100	140	mm
07	Top Sub Thread Pin Connection	23/8"API (R)	3½"API (R)	3½"API (R)	4½" API (R)
08	Bitshank profile	340	QL50	QL60	QL80
09	Wear sleeve invert limit	N/A	N/A	144	173	mm
10	Wear sleeve discard limit	90	108	138	168	mm

Please contact us if you have any enquiries.

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DHD 340 | FD Q5 | FD Q6 | FD Q8