Big Size Tungsten Carbide DTH Button Bit Mdhd275-311

• Certification：ISO 9001:2000, SGS
• Standard：GB
• Surface Treatment：Spray-Paint
• Manufacturing Process：Forging
• Material：Carbon Steel
• Transport Package：Wooden Case

=== Base Info ===

• Model NO.：MDHD275-311
• Trademark：MING
• Origin：China
• HS Code：8207199000
• Production Capacity：20000PCS,Year

=== Description ===
Big size bits using in Waterwells, Oil, Gas and Construction Drilling.MDHD275-31131115*Φ1836*Φ163205.0 MDHD275-33433418*Φ1944*Φ183216.0 MDHD275-35635618*Φ1948*Φ183225.0 MDHD275-36836820*Φ1950*Φ184230.0 MDHD275-38138120*Φ1954*Φ194236.0 MDHD330-38138120*Φ1954*Φ184297.0 MDHD330-40640620*Φ1958*Φ184311.0 MDHD330-43143120*Φ1964*Φ184324.0 MDHD330-44544524*Φ2072*Φ184334.0 MDHD330-47047024*Φ2080*Φ184347.0 MDHD475-49549524*Φ2088*Φ184710.0 MDHD475-52552524*Φ20100*Φ184760.0 MDHD475-58058024*Φ20116*Φ184855.0 MDHD475-66066028*Φ20140*Φ194950.0 MDHD475-68068028*Φ20144*Φ194968.0 MDHD525-71171128*Φ20154*Φ1941455.0 MDHD525-76276232*Φ20172*Φ1941539.0 MDHD525-78078032*Φ20180*Φ1941564.0 MDHD525-82582536*Φ20216*Φ1941625.0 MDHD525-99899840*Φ20348*Φ1941980.0 We can design and manufacture the different diameter,holes number,carbide button shape and face shape according to the customers' requirement.
Order Guide: Shank + Head Diameter + Face Design + Button Shape


How to choose the suitable head face of the DTH drill bit?

1.  Concave:

1.  Convex: 

1.  Flat:        

Suitable for special hard formation stratum, especially for fracture, crack spacing and complex formation drilling effect is very good, has the good perpendicularity of the borehole.

Product Application:


Transport:


Package and Delivery:
Packed by Carton or Wooden cases.

Delivery:

1. Goods in stock can be delivered within 5 days.
2. DTH Bits production time is about 15 days.
3. DTH Hammer product time is about 30 days.

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