Sandvik DTH Hammer RH550r 3''

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Complete hammer 2 3/8” API reg. pin top sub

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Description

Sandvik DTH DRILLING TOOLS

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Replacement parts item description	Weight		Part №
	kg	lb
1. Top subs
2 3/8” API reg. pin	5	11	33-3A001/16A
#21 Cubex. pin	5	11	33-3A001/63A
2. O-ring top sub (3) ID and OD			In seal kit
3. Check valve dart with spring	0.3	0.7	25-99006A
4. Check valve dart spring	0.02	0.0	22-99071
5. Check valve guide	0.23	0.5	39-3A001
6. Feed tube retainer pin	0.03	0.1	12-99021
7. Choke Set, Blank 1/8”, 3/16”, & 1/4”	0.1	0.2	29-48017A
8. Feed tube with retainer pin & blank choke	0.45	1.0	37-3A001A
9. Piston	3.86	8.5	36-3A081
10. Piston case with retainer ring	10.9	24.0	35-3A006A
11. Piston retainer ring	0.05	0.1	23-99027
12. O-rings - guide sleeve, bit retainer (3 req.)			In seal kit
13. Guide sleeve with 2 O-rings (#12)	1	2.2	26-3A010A
14. Bit retainer ring with O-ring (#12)	0.09	0.2	27-3A006A
15. Driver sub (O-ring not req.)	2.18	4.8	34-3A006

Seal Kit
3 piece of #2 & 7 of #12	0.25	0.5	38-3A056

Rebuild Kit
1 piece of #1, 1 of #10, 1 of #15 & Seal kit
2 3/8” API reg. pin	18.1	40	38-3A001/16
#21 Cubex. pin	18.1	40	33-3A001/63

Complete hammer
2 3/8” API reg. pin top sub			32-5530-RMA/16S
#21 Cubex. pin top sub			32-5530-RMA/63S

Bit shank
M30

Bit shank identifcation chart

Sandvik RH550	Diameter		Air holes	Gauge buttons	Button dia. mm		Weight		Part No.	Shank
	mm	inch	Air holes	Gauge buttons	gauge	front	Kg	lb	Part No.	Shank
M30
Convex face / Ballistic button										M30
	90	3 1/2	2	8	12	12	4,7	10	42-3A51090-R48
	95	3 3/4	2	8	12	12	4,7	10	42-3A51095-R48
	100	3 7/8	2	8	13	13	5,3	12	42-3A54100-R48
	105	4 1/8	2	8	14	14	5,3	12	42-3A5B105-R48
Flat face / Spherical button
	90	3 1/2	2	8	11	11	4,7	10	42-3AF0090-S48
	95	3 3/4	2	8	12	12	4,7	10	42-3AF1095-S48
	100	3 7/8	2	8	13	13	5,3	12	42-3AF4100-S48
	105	4 1/8	2	8	14	14	5,3	12	42-3AFB105-S48