T38 64mm 70mm 76mm Retract Bits Thread Rock Drill Bits
T38 Retract rock drill button bit most popular size:64mm,70mm,76mm,89mm
Characteristics
1. Reaming Drill Bit connect with tapered drill rod perfectly for drilling holes.
2. Stable and mature welding technology ensure high quality of bits.
3. Accurate dimension of taper degree perfectly matches the rods.
4. work reliable and very cost-effective.
5. High grade tungsten carbide inserts.
6. Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment.
7. Long life
8. Lower consumption
9. Wide selections of drill bits
10. Delivery quickly
Advantage
1. High penetration rate for productivity.
2. Extended service life and lower drilling cost.
3. Excellent straightnesss and hole clean quality.
Parameter
Diameter | NO*Button Dia | Gauge | Flushing | Approx's | Part No. | |||
Dia | Front | Gauge | Buttons | Hole | Weight | |||
mm | inch | EA | EA | Angle | Front | Side | kg | |
32 | 1 1/4 | 2*7 | 3*8 | 35 | 1*6 | 2*4 | 0.2 | Q532-722 |
33 | 1 19/64 | 2*7 | 4*7 | 40 | 1*5 | 1*5 | 0.2 | Q633-722 |
33 | 1 19/64 | 2*7 | 5*7 | 35 | 2*4 | 1*4 | 0.2 | Q733-722 |
34 | 1 11/32 | 2*7 | 4*7 | 40 | 1*5 | 1*5 | 0.29 | Q634-722 |
35 | 1 3/8 | 2*7 | 5*7 | 35 | 1*5 | 1*5 | 0.22 | Q735-722 |
36 | 1 27/64 | 1*8 | 3*9 | 40 | 1*6 | 1*6 | 0.3 | Q436-722 |
36 | 1 27/64 | 2*7 | 4*7 | 40 | 1*6 | 1*6 | 0.35 | Q636-722 |
36 | 1 27/64 | 2*7 | 5*8 | 35 | 1*6 | 1*5 | 0.3 | Q736-722 |
38 | 1 1/2 | 1*9 | 3*9 | 40 | 1*6 | 1*6 | 0.35 | Q438-722 |
38 | 1 1/2 | 2*8 | 4*8 | 40 | 1*6 | 1*6 | 0.35 | Q638-722 |
38 | 1 1/2 | 2*7 | 5*8 | 35 | 1*6 | 1*5 | 0.35 | Q738-722 |
38 | 1 1/2 | 2*7 | 5*9 | 40 | 2*4 | 1*4 | 0.35 | Q738-722A |
40 | 1 37/64 | 1*9 | 3*9 | 40 | 1*6 | 1*6 | 0.35 | Q440-722 |
40 | 1 37/64 | 2*7 | 5*9 | 35 | 1*6 | 1*5 | 0.35 | Q740-722 |
41 | 1 5/8 | 2*7 | 5*9 | 35 | 1*6 | 1*5 | 0.35 | Q741-722 |
42 | 1 21/32 | 1*9 | 3*9 | 30 | 1*6 | 1*6 | 0.35 | Q741-722 |
42 | 1 5/8 | 2*7 | 5*9 | 35 | 1*6 | 1*5 | 0.35 | Q442-722 |