MR120 RC Hammer Remet, Metzke thread

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2022年07月31日

MR116 RC Hammer Remet, Metzke thread 4", 5 1/2"

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Mincon MR120-LA RC Hammer (4 1/2″ Metzke)


MR120 RC Hammer





Features: 


• Hammer outside diameter: 120mm (4.75″)

• Hammer length: 1,190mm (47″)

• Drill bit size range: 127mm – 143mm (5″ – 5.625″)

• Supported backhead threads: 4″ & 4.5″ Remet, 4″ & 4.5″ Metzke, 115 ARDX

• Recommended minimum air package: 425 L/s @ 24 bar (900 cfm @ 350 psi)

• Shank type: MR120



Specifications
SpecificationsMetricImperial
Hammer Outside Diameter120mm4.75″
Hammer Length (Less Drill Bit)1165mm45.9″
Backhead Spanner Flat Size94mm4″
Drill Bit Shank TypeMR120
Backhead Thread4 1/2″ Metzke
Drill Bit Size Range127mm – 143mm5″ – 5.625″
Hammer Weight (Less Bit)70 Kgs154 Lbs
Maximum Drill Bit Weight14.5 Kgs32 Lbs
Piston Weight16 Kgs35.3 Lbs
Make up Torque4826-6440 NM3560-4750 FT Lbs
Backhead Stand Off0.75mm0.030″
Recommended Minimum Air Package25.5m3/min @ 24.1Bar900cfm @ 350psi




ItemPart NoDescription

MR120AL04MR120 Hammer 4 1/2″ Metzke – Low Air
11300-0780Internal Circlip
2MX5053AT31Adaptor Tube 4 ½ Metzke
3BS-224O Ring x 2
4BS-040O Ring
5MX5053SC01Air Screen
6MR120BH31Back Head 4 ½” Metzke
7BS-241O Ring
88406-175Check Valve Seal – Nitrile U
9MR120CV01Check Valve Plunger
10MR120SP01Check Valve Spring
11MR120SS01Spacer
12MX4550LR01Lock Ring
13MR120ST01Sample Tube – Large Bore

MR120ST03Sample Tube – Small bore
14BS 228O Ring
15MR120DR02Sample Tube Mount
16BS 234O Ring
17BS 040O Ring
18MX5053SR01Seating Ring
19MR120IC01Inner Cylinder
20MR120PN01Piston
21MR120WS01Wear Sleeve
22MX5053PR01Piston Retaining Ring
23MR120BB01Aligner Bearing Bush
24N7-92×4O Ring x 2
25BS 237O Ring
26MR120BR01Bit Ring
27BS 152O Ring
28MR120CK01Chuck
29MR120CSxxxLMR120CSxxxLChuck Sleeve

MR120OKITO Ring Kit

MR120MK01Make up kit





RC Bits Specifications
DiameterFace TypePart NumberDescriptionNo. x Button Dia (inch)Sample holesWeight Approx.
mminchOuterFaceCentreKgs.Lbs.



1275Drop Centre5120127D1MR120 5″ DC BIT8 * 5/84 * 9/163 * 1/221533.1
1275Hard Formation5120127H1MR120 5″ HF BIT8 * 5/86 * 9/163 * 1/221533.1
1305 1/8Concave5120130C1MR120 5 1/8 CC BIT8 * 5/84 * 9/164 * 1/221533.1
1305 1/8Drop Centre5120130D2MR120 5 1/8 DEEP DC BIT8 * 5/84 * 9/163 * 1/221533.1
1305 1/8Hard Formation5120130H1MR120 5 1/8 HF BIT8 * 5/86 * 9/163 * 1/221533.1
1335 1/4Concave5120133C1MR120 5 1/4 CC BIT8 * 5/84 * 5/84 * 1/221533.1
1335 1/4Drop Centre5120133D2MR120 5 1/4 DEEP DC BIT8 * 5/84 * 9/163 * 1/221533.1
1335 1/4Hard Formation5120133H1MR120 5 1/4 HF BIT8 * 5/86 * 9/164 * 1/221533.1
1375 3/8Concave5120137C1MR120 5 3/8 CC BIT8 * 5/84 * 5/84 * 1/221533.1
1375 3/8Drop Centre5120137D2MR120 5 3/8 DEEP DC BIT8 * 5/84 * 5/83 * 1/221533.1
1375 3/8Hard Formation5120137H1MR120 5 3/8 HF BIT8 * 5/86 * 5/83 * 1/221533.1
1405 1/2Concave5120140C1MR120 5 1/2 CC BIT8 * 5/84 * 5/84 * 1/221533.1
1405 1/2Drop Centre5120140D2MR120 5 1/2 DEEP DC BIT8 * 5/84 * 5/83 * 1/221533.1
1405 1/2Hard Formation5120140H1MR120 5 1/2 HF BIT8 * 5/86 * 5/84 * 1/221533.1
1435 5/8Drop Centre5120143D2MR120 5 5/8 DEEP DC BIT8 * 5/84 * 5/83 * 1/221533.1
1435 5/8Hard Formation5120143H1MR120 5 5/8 HF BIT8 * 5/86 * 5/84 * 1/221533.1
1526Drop Centre5120152C1MR120 6″ COLLARING BIT8 * 5/86 * 9/164 * 1/221635.3
1656 1/2Drop Centre5120165C1MR120 6 1/2 COLLARING BIT8 * 5/88 * 9/164 * 9/1621839.7
1907 1/2Drop Centre5120190C1MR120 7 1/2 COLLARING BIT8 * 5/812 * 5/84 * 6/1622146.3


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