zuanlongbits@gmail.com

+86-029-82612068

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Email: zuanlongbits@gmail.com

Tel: +86-029-82612068

Fax: +86-029-82612068

Address:No 66, Changming Road, Xi'an, Shaanxi Province, China

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core drill bits

  • 27mm 28mm 29mm 30mm 32mm 36mm 42mm PDC Anchor Short Shank Drill Bits

    Contact Now27mm 28mm 29mm 30mm 32mm 36mm 42mm PDC Anchor Short Shank Drill Bits1. The wings are higher wear resistance and impact toughness; 2. To repeat repair and grind are not necessary; 3. Long life drill; 4. Drilling efficiency could be promoted sharply in penetration of high –medium hard rock formation and labor intensity could be reduced.Read More

  • Premium Quality PDC Opener Hole Drill Bit/PDC Enalrge Hole Reamer Drill Bit

    Contact NowPremium Quality PDC Opener Hole Drill Bit/PDC Enalrge Hole Reamer Drill Bit1). Our prodcut has been approved by ISO9001; 2). Our company has been awarded various certificates and honors by goverment, such as observe contact and keep promise enterprise, reliable quality enterprise, civilized unit, high and new tech enterprises, advanced qualtiy management enterprise,ect. ; 3). Specific researching and developing laboratory; 4). More than 15 years manufacturing experience;Read More

  • PDC Cutter Bits Design Grading/PDC Drill Bit Manufacturers/PDC Drill Bit Prices

    Contact NowPDC Cutter Bits Design Grading/PDC Drill Bit Manufacturers/PDC Drill Bit Prices1,)Customized product is provided,just provide us the drawing,or detailed size; 2,)Free samples is provided, Business started after your test successfully; 3,)Promise you factory price,stable stock,and fast delivery; 4,)If quality is not satisfy your market,cost will be returned to your side; 5,)ZLONG makes quality as its life,best service as its soul.Whenever you need,ZLONG is at your side; 3,)The blade is durable,do not need to grinding,easy to use 4,)It can be used in the coal mine, such as traffic, water and electricity industries bolting hole drilling. 5,)We could supply the size from Φ25 to Φ42mm. And we also could provide the different strength roof bolting bits, like ordinary type,strengthened type, and super strengthened type.Read More