MR120 RC Hammer Remet, Metzke thread
2022-07-31 14:36
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 | ||
Specifications | Metric | Imperial |
Hammer Outside Diameter | 120mm | 4.75″ |
Hammer Length (Less Drill Bit) | 1165mm | 45.9″ |
Backhead Spanner Flat Size | 94mm | 4″ |
Drill Bit Shank Type | MR120 | |
Backhead Thread | 4 1/2″ Metzke | |
Drill Bit Size Range | 127mm – 143mm | 5″ – 5.625″ |
Hammer Weight (Less Bit) | 70 Kgs | 154 Lbs |
Maximum Drill Bit Weight | 14.5 Kgs | 32 Lbs |
Piston Weight | 16 Kgs | 35.3 Lbs |
Make up Torque | 4826-6440 NM | 3560-4750 FT Lbs |
Backhead Stand Off | 0.75mm | 0.030″ |
Recommended Minimum Air Package | 25.5m3/min @ 24.1Bar | 900cfm @ 350psi |
Item | Part No | Description |
MR120AL04 | MR120 Hammer 4 1/2″ Metzke – Low Air | |
1 | 1300-0780 | Internal Circlip |
2 | MX5053AT31 | Adaptor Tube 4 ½ Metzke |
3 | BS-224 | O Ring x 2 |
4 | BS-040 | O Ring |
5 | MX5053SC01 | Air Screen |
6 | MR120BH31 | Back Head 4 ½” Metzke |
7 | BS-241 | O Ring |
8 | 8406-175 | Check Valve Seal – Nitrile U |
9 | MR120CV01 | Check Valve Plunger |
10 | MR120SP01 | Check Valve Spring |
11 | MR120SS01 | Spacer |
12 | MX4550LR01 | Lock Ring |
13 | MR120ST01 | Sample Tube – Large Bore |
MR120ST03 | Sample Tube – Small bore | |
14 | BS 228 | O Ring |
15 | MR120DR02 | Sample Tube Mount |
16 | BS 234 | O Ring |
17 | BS 040 | O Ring |
18 | MX5053SR01 | Seating Ring |
19 | MR120IC01 | Inner Cylinder |
20 | MR120PN01 | Piston |
21 | MR120WS01 | Wear Sleeve |
22 | MX5053PR01 | Piston Retaining Ring |
23 | MR120BB01 | Aligner Bearing Bush |
24 | N7-92×4 | O Ring x 2 |
25 | BS 237 | O Ring |
26 | MR120BR01 | Bit Ring |
27 | BS 152 | O Ring |
28 | MR120CK01 | Chuck |
29 | MR120CSxxxLMR120CSxxxL | Chuck Sleeve |
MR120OKIT | O Ring Kit | |
MR120MK01 | Make up kit |
RC Bits Specifications | ||||||||||
Diameter | Face Type | Part Number | Description | No. x Button Dia (inch) | Sample holes | Weight Approx. | ||||
mm | inch | Outer | Face | Centre | Kgs. | Lbs. | ||||
127 | 5 | Drop Centre | 5120127D1 | MR120 5″ DC BIT | 8 * 5/8 | 4 * 9/16 | 3 * 1/2 | 2 | 15 | 33.1 |
127 | 5 | Hard Formation | 5120127H1 | MR120 5″ HF BIT | 8 * 5/8 | 6 * 9/16 | 3 * 1/2 | 2 | 15 | 33.1 |
130 | 5 1/8 | Concave | 5120130C1 | MR120 5 1/8 CC BIT | 8 * 5/8 | 4 * 9/16 | 4 * 1/2 | 2 | 15 | 33.1 |
130 | 5 1/8 | Drop Centre | 5120130D2 | MR120 5 1/8 DEEP DC BIT | 8 * 5/8 | 4 * 9/16 | 3 * 1/2 | 2 | 15 | 33.1 |
130 | 5 1/8 | Hard Formation | 5120130H1 | MR120 5 1/8 HF BIT | 8 * 5/8 | 6 * 9/16 | 3 * 1/2 | 2 | 15 | 33.1 |
133 | 5 1/4 | Concave | 5120133C1 | MR120 5 1/4 CC BIT | 8 * 5/8 | 4 * 5/8 | 4 * 1/2 | 2 | 15 | 33.1 |
133 | 5 1/4 | Drop Centre | 5120133D2 | MR120 5 1/4 DEEP DC BIT | 8 * 5/8 | 4 * 9/16 | 3 * 1/2 | 2 | 15 | 33.1 |
133 | 5 1/4 | Hard Formation | 5120133H1 | MR120 5 1/4 HF BIT | 8 * 5/8 | 6 * 9/16 | 4 * 1/2 | 2 | 15 | 33.1 |
137 | 5 3/8 | Concave | 5120137C1 | MR120 5 3/8 CC BIT | 8 * 5/8 | 4 * 5/8 | 4 * 1/2 | 2 | 15 | 33.1 |
137 | 5 3/8 | Drop Centre | 5120137D2 | MR120 5 3/8 DEEP DC BIT | 8 * 5/8 | 4 * 5/8 | 3 * 1/2 | 2 | 15 | 33.1 |
137 | 5 3/8 | Hard Formation | 5120137H1 | MR120 5 3/8 HF BIT | 8 * 5/8 | 6 * 5/8 | 3 * 1/2 | 2 | 15 | 33.1 |
140 | 5 1/2 | Concave | 5120140C1 | MR120 5 1/2 CC BIT | 8 * 5/8 | 4 * 5/8 | 4 * 1/2 | 2 | 15 | 33.1 |
140 | 5 1/2 | Drop Centre | 5120140D2 | MR120 5 1/2 DEEP DC BIT | 8 * 5/8 | 4 * 5/8 | 3 * 1/2 | 2 | 15 | 33.1 |
140 | 5 1/2 | Hard Formation | 5120140H1 | MR120 5 1/2 HF BIT | 8 * 5/8 | 6 * 5/8 | 4 * 1/2 | 2 | 15 | 33.1 |
143 | 5 5/8 | Drop Centre | 5120143D2 | MR120 5 5/8 DEEP DC BIT | 8 * 5/8 | 4 * 5/8 | 3 * 1/2 | 2 | 15 | 33.1 |
143 | 5 5/8 | Hard Formation | 5120143H1 | MR120 5 5/8 HF BIT | 8 * 5/8 | 6 * 5/8 | 4 * 1/2 | 2 | 15 | 33.1 |
152 | 6 | Drop Centre | 5120152C1 | MR120 6″ COLLARING BIT | 8 * 5/8 | 6 * 9/16 | 4 * 1/2 | 2 | 16 | 35.3 |
165 | 6 1/2 | Drop Centre | 5120165C1 | MR120 6 1/2 COLLARING BIT | 8 * 5/8 | 8 * 9/16 | 4 * 9/16 | 2 | 18 | 39.7 |
190 | 7 1/2 | Drop Centre | 5120190C1 | MR120 7 1/2 COLLARING BIT | 8 * 5/8 | 12 * 5/8 | 4 * 6/16 | 2 | 21 | 46.3 |