Product Description

1.Wide range of useage 2.High quality and best price 3.Long life and full model 4.Be certified by ISO***1 Drag bits also named blade bits, with inserts on the blades .We can supply different diameter of *-wing drag bit, *-wing drag bit, *-wing drag bit. We specialize in supplying quality drilling equipments for mining, water-well drilling, seismic prospecting for many years. Our products cover the following: 1. Drag bits including step and chevron types, *-wings drag bits, *-wings drag bits, claw type, clay bits, etc. 2. DTH drilling tools including Air DTH hammer, Water DTH hammer, DTH bits, etc. 3. Rock bit. 4. Diamond core drilling bit. Drag bit are manufactured from forged high quality alloy steel and premium tungsten carbide insert, plus state of art welding technology and multiple precision heat treatment to provide highest penetration rate and longest lifespan at roughest condition. Drag bits are designed for medium to hard formation and are used in areas that contain a lot of rock and also in the oil field. Good performance 4.1/2", 4.3/4", 5.1/8", 5.5/8", 5.7/8", 6.1/4", 6.3/4", 6.5/8" 7.3/8" 9.7/8", *1.1/2" etc. Drag bits are avaiable. ﹡ We can manufacture all kinds of bits and shells according to customer's special requirement. Any requirement please contact us, we'll do the best service for you. Hope we can establish a good business relationship. Size Type Pin Wt. (lbs. ) 1 3/4" - 2 1/2" AW, A-Rod 2 2 5/8" - 2 7/8" AW, A-Rod 2 1/2 2 3/4" - 3 1/4" 3THD/4THD N-Rod, 2" IF 4 3 3/8" - 3 3/4" 3THD/4THD N-Rod, 2"IF 4 1/2 3 7/8" - 4 3/4" 2 3/8" API Pin 6 4 7/8" - 5 1/8" 2 3/8" API Pin 7 5 1/4" - 5 1/2" 2 3/8" API Pin 8 4 5/8" - 5" 2 7/8" API Pin *0 5 1/8" - 5 1/2" 2 7/8" API Pin *1 5 5/8" - 6 1/4" 3 1/2" API Pin *8 6 1/2" - 6 3/4" 3 1/2" API Pin *9 7" - 7 1/2" 3 1/2" API Pin *1 7 5/8" - 8" 3 1/2" API Pin *3 More Product Features Trademark: ZM Model NO.: All types Standard: ISO***1: 2