T38 76mm Rock Hammer Drill Bits Quarrying Retractable Drlli Bits
Threaded Rock Drilling Button Bits
Our drill bit is made from top quality steel and tungsten carbide
as same as internationally well-known brand and apply
“hot-insertion” processing procedure to insert the buttons as same
as internationally well-known brand.suitable for
mining,quarring,tunneling and so on. It is widely used for gound
quarring and underground drilling.
Product Description:
Retrac button bit suitable for powerful percussive drills and top
hammers with high speed drifter, the products are widely used in
bench and production drilling, extensional drilling.
Products Parameters:
| Product Name: | Retrac Button Bit |
| Diameter: | 76mm |
| Button Size: | Front 4*11 ,1*11mm Gauge 8*12mm |
| Thread: | T38 |
| Flushing Hole: | 4 Front and 0 Side |
| Application: | Button drill bits are used in granite and marble quarry, gold mine,
railway, tunnel, etc. for drilling |
| Weight: | 3.3 kg |
| Button Type: | Ballistic |
| Body Type: | Retrac |
| Face Type: | Drop Center |
| Material: | Alloy steel bar 45CrNiMoV and tungsten carbide tips YK05 |
| MOQ: | No requirement for testing and trial order |
We can design and manufature according to your requirment of
diameter, number air holes and carbide button shape |
Main Features:
1. Material:45CrNiMoV
2. Flushing Holes:4
3. Mroe Thread Type:T38,T45,T51 etc
4. Carbide Length:0.5mm longer than other manufacturer so the
carbides won't fall.
Why we choose YK05 tungsten carbides:
1. high footage speed;
2. High wear resistance.
3. Suitalbe for 98% rocks.
Product Advantage:
1. Widely used drifting and tunneling
2. Bit face design is ideal for soft to medium rock formations
3. With retrac wings to help guide the bit in and out of the hole
4. Effective in straight hole drilling
Specification of other Retrac Button Bits:
| Retrac Button Bit, Drop Center | Bit Dia mm | inch | Buttons and Size (mm)Front; Gauge | Angle | Flushing Hole Front | Weight kg | Part Number | Product Code |
 | 70 | 2 3/4 | 4×10, 1×10 8×11 | 35° | 4 | 2.4 | 4148300741 | R1370-T38-S |
| 76 | 3 | 4×11, 1×11 8×10 | 35° | 4 | 3.3 | 4148300743 | R1376-T38-S-1 |
| 76 | 3 | 4×11, 1×11
8×12 | 35° | 4 | 3.3 | 4148300744 | R1376-T38-S-2 |
| 89 | 3 1/2 | 4×11, 1×11 8×13 | 35° | 4 | 4.8 | 4148300748 | R1389-T38-S-2 |
| 89 | 3 1/2 | 4×13, 1×13 8×13 | 35° | 4 | 4.8 | 4148300749 | R1389-T38-S-3 |
Our products are selling all over the world, we deserve your trust.
