MF Speed Extension Rod
Extension rod, other names are Extension drill steel, Extension drill rod, and Extension steel, MF rod ( Speed rod ), are for in drifting, tunneling, long-hole drilling, bench and production drilling industries. These rods are produced with round or hexagonal sections in all common thread designs.All our drifting and extension drill rods are heat-treated with carburization.
MF drill rods provides tighter connections, it is easier for handling and quicker for uncoupling than MM drill rods, and are potential to drill straighter holes.
we are able to supply full range of extension rods in different lengths with various threads shown as below.
Thread size: R25, R28, R32, R38, T38, T45, T51.
Rod size: Round 32, Round 39, Round 46, Round 52, Length: 915mm to 5450mm.
Rod size: Hex 25, Hex 28, Hex 32, Hex 35, Length: 610 mm to 6400mm.
Drilling Hole Range
R25, R28, R32
R28, R32, R38
R28, R32, R38, T38
1 37/64～2 1/2
R32, R38, T38
R32, R38, T38
1 3/4～2 1/2
R38, T38, T45
2 1/4～3 1/2
T38, T45, T51
How to order?
Length + Thread + Body Shape and Diameter
1. How about the common packing?
A: If there is no special packing demand, we will take it as our normal packing. First in small carton, and then put in the bigger carton together to make sure goods completed.
2. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy international request.
3. How to make sure the quality?
More than 40 Years engineer to make sure the quality, 100% inspection.
4. Shipping way:
A: Sample order: we suggest Courier express delivery such as DHL/UPS/TNT/FEDEX or by air
Bulk order: by air or by sea we suggest.
5. Competitive price:
A: KINGDRILLING factory can supply you the lowest price due to direct sale to customers without distributor!
6. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union.
7. What is the Application?
Mining, Quarrying, Tunneling, Construction, Geological Exploration, Water-well Drilling, Oilfield & Gas Industries.