Sandvik DTH Hammer RH450 for SD 12 shank

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Hammer Complete SD12in

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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 Subs with 3 O-Rings
6 5/8” API Reg. Pin	118	260	33-1B001/39A
2. Feed Tube Retainer Pin (2)	0.9	1.9	12-99019
3. Break out Ring, upper	2.7	6.0	15-1B001-01
4. O-Ring Top Sub			In Seal Kit
5. O-Rings Feed Tube (2)			In Seal Kit
6. Check Valve Dart	3.5	7.8	38-11517A
7. Check Valve Spring	0.1	0.3	38-1/1235-074
8. Check Valve Guide	3.1	6.8	39-1B001
9. Choke Set, Blank 1/4”, 3/8”, & 1/2”	0.2	0.5	29-1B017A
10. Feed Tube w. Ret. Pins, Choke & O-Rings	7.7	17	37-1B001A
11. Piston	90.3	199	36-1B057
12. Piston Case with Retainer Ring	200.5	442	35-1B001A
13. Piston Retainer Ring	0.4	0.8	23-99033
14. O-Rings Driver Sub & Bit Ret. (2)			In Seal Kit
15. Bit Retainer Ring w/O-Ring (Item 14)	5.3	11.8	27-14001A
16. Break out Ring, lower	1.8	4.0	15-13001-02
17. Driver Sub	63.1	117	34-14008A

Seal Kit
1 pieces of #4, 2 of #5 & 4 of #14	0.5	1	38-1BS56

Complete hammer			32-4512-SSA/39S


Bit shank
SD12

Bit shank identifcation chart

	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
SD 12
Concave face / Spherical button										SD 12
	302	11	3	12	18	18	171,0	376	42-128E302-S48F
	311	12	3	12	18	18	172,0	378	42-128E311-S48F
	330	13	3	12	18	18	181,0	398	42-128E330-S48F
	357	14	3	18	18	18	191,0	420	42-12PE357-S48F
	381	15	3	18	18	18	200,0	440	42-12PE381-S48F
	444	17	3	18	18	18	225,0	495	42-12PE444-S48F
	483	19	3	18	18	18	280,0	616	42-12PE483-S48F
	508	20	3	18	18	18	306,0	673	42-12PE508-S48F

Foot valve							0,55	1.2	47-12017

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