China T38 T45 T51 Retrac Drill Bits Button Bit for Thread Extension Rod for Tunneling Retrac Button Bit, Find details about China Thread Bit, Thread Button Bit from T38 T45 T51 Retrac Drill Bits Button Bit for Thread Extension Rod for Tunneling Retrac Button Bit
Size | Button Quantity | Normal Skirt | Retrac Skirt |
(Gauge + Front) | Skirt Length(mm) | ||
Q41-R | φ8*5+φ8*2 | 100mm | 120mm |
Q45-R | φ8*6+φ8*3 | 100mm | 120mm |
Q48-R | φ10*6+φ8*3 | 100mm | 120mm |
Q51-R | φ10*6+φ8*3 | 100mm | 120mm |
Q57-T-R | φ10*6+φ9*3 | 110mm | 130mm |
Q64- T-R | φ11*6+φ9*4 | 120mm | 140mm |
Q76- T-R | φ12*8+φ11*4 | 130mm | 155mm |
Q89- T-R | φ12*8+φ12*5 | 140mm | 170mm |
Q102-T-R | φ14*8+φ12*6 | 150mm | 175mm |
Q115-T-R | φ14*8+φ12*7 | 155mm | 180mm |
Q127-T-R | φ16*8+φ12*9 | 160mm | 190mm |
Q1: Can I have a sample for testing?
A:Samples are still to be paid but discounted price can be provided.
Q2: Do you have the inspection procedures?
A:100% strict inspection and testing for every order before packing.
Q3: How can i get the after sale services?
A:Free replacement will provide once the problems casued by our product quality.
Q4: Can I have a visit to your factory before the order?
A: Sure, welcome, here is our address: Yantai, Shandong.