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3-wing PDC concave drill bit 3-wing PDC concave drill bit 3-wing PDC concave drill bit 3-wing PDC concave drill bit 3-wing PDC concave drill bit 3-wing PDC concave drill bit 3-wing PDC concave drill bit

3-wing PDC concave drill bit

3-wing PDC concave drill bit

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SIZE(mm)

SIZE(inch)

75mm

3inch

91mm

3.5inch

110mm

4.5inch

130mm

5inch

152mm

6inch

177mm

7inch

200mm

8inch

228mm

9inch

250mm

10inch

300mm

12inch

400mm

16inch


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Contact: Exmork

Tel: 86-13738795016

Whatsapp: 86-13738795016

Email: exmork@exmork.com

Add: Headquarters Economic Park,Yueqing,Zhejiang,China