Product Details

Oil Field PDC Core Drill Bits

Product Features

Offer Oil Field PDC Core Drill Bits,diamond bits used for the rock 8 levels of above 20 levels of rock layers; have 8-half piece

Offer Oil Field PDC Core Drill Bits,diamond bits used for the rock 8 levels of above 20 levels of rock layers; have 8-half piece

The oil field PDC drill diamond bits connection parameter

Drill bit outer diameter		Binding screw specification and type	Drill bit bevel edge diameter
outer diameter	Inner diameter	Binding screw specification and type	diameterMM	tolerance
51/32"	127.79~187.33	31/2"REG	104.38	±0.4
71/32"	188.12~238.13	41/2"REG	135.33
91/32"	238.92~368.30	65/8"REG	186.93
141/32"	369.07~444.50	75/8"REG	215.11

· Recommendation use well drilling parameter

Drill bit (In)	Drill winds	Displacement (l/s)	Compared to water horsepower (w/mm2)	Bit pressure (KN)	Rotational speed (r/min)
81/2"	6	25~38	3~8	13~80	60~300
81/2"	5	24~34	3~10	13~80	60~300
81/2"	4	24~34	3~11	13~80	60~300