diamond drill bits

Specifications diamond drill bits

1.ISO Certified

2.High quality&Best Service

3.Blades:3--9

4.Cutters:1913,1613,1313

                                                                     Diamond drill bits     1.Main Features of PDC bit 1) The PDC rock bit is suitable for soft to medium soft formations. 2) structure is force balanced, bit blade is asymmetrically designed, and spiral blade and spiral gage are also designed so that the load on bit is balanced that resulting better stability of the bit. 3) Multiple types of high performance PDC cutter are strategically arranged on the bit for improved service life the bit. 4) Shock absorbers are designed to make the bit capable of drilling through formations with hard stringers. 5) Hydraulic system of the bit is optimized using dynamic flow pattern simulation technology to enhance cleaning and cooling effects of the bit to effectively prevent bit from balling. 6) Erosion on bit surface is effectively prevented by utilizing hardfacing material of highly erosion resistant and applying advanced base metal enhancement technology. 7) Ports on bit are also optimally designed to prevent erosion of water courses inside the bit.   Recommended drilling parameters of PDC diamond bit  

Bit size (inches)	Recommended drilling parameters
	Flow rate	Rotation speed(L/s)	Weight on bit(KN)	Specific Hydraulic Horsepower(HIS)	Makeup torque (kn.m)
8 1/2	25-38	60-250	100-30	2-7	24-26.5
8 3/4	25-38	60-250	100-30	2-7	24-26.5
9 1/2	25-38	60-250	100-30	2-7	40-45
12 1/4	44-60	60-250	150-30	2-7

  Specification of bit Bit Size: 4 1/2"-- 17 1/2"(114mm--444.5mm) Blades: 3--9 Blades Nozzles: according to your requirement PDC Cutter: 1913,1613,1313 Total cutter: 44 pcs Rotary speed:60-300 rpm Delivery terms:within 3 days after the payment Package: Iron Boxes. as custoemrs requirements OEM:  We can make kinds of PDC bits according to customers' requirements  

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