Sandvik DTH Hammer RH550w 8''(inch)

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Complete Hammer 4 1/2" API Reg. Pin

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Description

Sandvik DTH DRILLING TOOLS

Click on the Part number to see part description

Replacement parts item description	Weight		Part №
	kg	lb
1. Top Sub with 3 O-Rings
4 1/2” API Reg. Pin	42	92.40	33-88302/19A
2. O-Ring Top Sub OD (1)			In seal kit
3. O-Ring Top Sub ID (2)			In seal kit
4. Check Valve Dart (with spring)	0.5	1.10	38-11663A
5. Check Valve Spring	0.1	0.22	38-1/1235-073
6. Check Valve Guide	0.7	1.54	39-88001
7. Choke Set, Blank 1/8”, 3/16”, & 1/4”	0.12	0.26	29-68017A
8. Feed Tube Retainer Pin	0.2	0.44	12-99016
9. Feed Tube With Retainer Pin and Blank Choke	2.2	4.84	37-88301A
10. Piston	42	92.40	36-88J81
11. Piston Case with Retainer Ring	56	123.2	35-88302A
12. Piston Retainer Ring	0.2	0.44	23-99030
13. O-Rings Guide Sleeve & Bit Ret. (3)			In Seal Kit
14. Guide Sleeve with 2 O-Rings (#14)	11	24.2	26-88J10A
15. Bit Retainer Ring w/O-Ring (#14)	1.9	4.18	27-88006A
16. Driver Sub	17	37.40	34-88007
Seal Kit
1 piece of 2, 2 of 3 & 7 of 13	0.25	0.55	38-88056

Rebuild Kit
1 piece of 1, 1 of 11, 1of 16 & Seal Kit
4 1/2” API Reg. Pin	115	253.0	38-88302/19

Complete hammer
4 1/2” API Reg. Pin top sub			32-5585-WMA/19S

Bit shank
M80

	Diameter		Air holes	Gauge buttons	Button dia. mm		Weight		Part No.
	mm	inch	Air holes	Gauge buttons	gauge	front	Kg	lb	Part No.
M80
Concave face / Spherical button
	200	7 7/8	3	9	18	18	41	90	42-88PE200-S48
	203	8	3	9	18	18	41	90	42-88PE203-S48
	216	8 1/2	3	9	18	18	42	92	42-88PE216-S48
	219	8 5/8	3	9	18	18	42	92	42-88PE219-S48
	222	8 3/4	3	12	18	18	49	108	42-888E222-S48
	226	8 7/8	3	12	18	18	51	112	42-888E226-S48
	229	9	3	12	18	18	53	117	42-888E229-S48
	241	9 1/2	3	12	18	18	57	125	42-888E241-S48
	251	9 7/8	3	12	18	18	57	125	42-888E251-S48
	254	10	3	12	18	18	57	125	42-888E254-S48
	270	10 5/8	3	12	18	18	61	134	42-888E270-S48
	305	12	3	12	18	18	77	169	42-888E305-S48
Convex face / Ballistic button
	203	8	3	9	18	18	41	90	42-88GE203-R55
	216	8 1/2	3	9	18	18	42	92	42-88GE216-R55
	222	8 3/4	3	12	18	18	49	108	42-88GE222-R55
Flat face / Spherical button
	203	8	3	9	18	18	41	90	42-882E203-S48
	216	8 1/2	3	9	18	18	42	92	42-882E216-S48
	222	8 3/4	3	12	18	18	49	108	42-88KE222-S48
	229	9	3	12	18	18	53	117	42-88KE229-S48

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