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| Place of Origin: | China |
| Brand Name: | MIROC Retract Button Bit |
| Certification: | ISO |
| Model Number: | ST68 Thread Retract Button Bit |
| Minimum Order Quantity: | 10 Pieces Retract Button Bit |
|---|---|
| Price: | Negotiable |
| Packaging Details: | Carton Box or Wooden Box |
| Delivery Time: | 25 days |
| Supply Ability: | 20000 pieces per month |
| Product: | Retract Button Bit | Thread: | ST68 |
|---|---|---|---|
| Body Type: | Retract | Material: | 45CrNiMoVA |
| Application: | For Mining, Quarry, Tunelling | Weight: | 9.3kg-17.8kg |
| High Light: | stone drilling bits,spherical drill bit |
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ST68 4 Inch 5 Inch 6 Inch Retract Button Bit Design To Improve Hole Straightness
Retract Skirt
For unconsolidated rock formation.
Designed to improve hole straightness, as well as to assist in retrieval of the drilling string.
The splines will also improve the hole flushing characteristics of the bit due to the chip ways between the splines.
| ST68 Retrac Button Bit | ||||||||
| Bit Dia. | Buttons and Size (mm) | Flushing Hole | Weight | Part Number | ||||
| mm | inch | Front | Gauge | Angle | Front | Side | kg | |
| Spherical | ||||||||
| 102 | 4 | 4x12, 4x12 | 10x12 | 35° | 4 | - | 9.3 | 4148301024 |
| 102 | 4 | 4x14, 2x12 | 8x14 | 35° | 4 | - | 9.3 | 4148301025 |
| 110 | 4 1/3 | 6x14 | 8x16 | 35° | 2 | - | 10.0 | 4148301026 |
| 115 | 4 1/2 | 6x14 | 8x16 | 35° | 2 | - | 10.0 | 4148301027 |
| 127 | 5 | 8x14 | 9x16 | 35° | 3 | - | 15.0 | 4148301028 |
| 140 | 5 1/2 | 9x14 | 9x16 | 35° | 3 | - | 17.8 | 4148301029 |
| Ballistic | ||||||||
| 102 | 4 | 4x12, 4x12 | 10x12 | 35° | 4 | - | 9.3 | 4148301030 |
| 102 | 4 | 4x14, 2x12 | 8x14 | 35° | 4 | - | 9.3 | 4148301031 |
| 110 | 4 1/3 | 6x14 | 8x16 | 35° | 2 | - | 10.0 | 4148301032 |
| 115 | 4 1/2 | 6x14 | 8x16 | 35° | 2 | - | 10.0 | 4148301033 |
| 127 | 5 | 8x14 | 9x16 | 35° | 3 | - | 15.0 | 4148301034 |
| 140 | 5 1/2 | 9x14 | 9x16 | 35° | 3 | - | 17.8 | 4148301035 |
Competitive Advantage
High strength chromium-molybdenum steel with high fatigue strength and excellent wear resistance
Contact Person: Mr. Yingkai Zhang
Tel: +86 18501231988
