Nomenclature of RUISHI Steel Body PDC Bit Model

S	19	5	5	X
Steel Body PDC Bit	Cutter Size 19: diameter 19mm 16: diameter 16mm 13: diameter 13mm	Blade Count 3、4、5、6...	Formation from soft to hard 1-7	Design Characters J/A J Series X Sprial Gauge C Sidetracking Bit Q Core Bit B Bi-center Bit F Row Cutters G Advanced Cutters

BITS SPECIFICATIONS

Size	8 1/2"
Number of blade	5
Primary Cutter Size(mm)	19
Nozzle Qty	5
Gauge Length	2"-3.5"
Connection	4-1/2"API REG

RECOMMENDED PARAMETERS

Rotary Speed(rpm)	60-250
Weight On Bit(KN)	10-100
Flow Rate(lps)	20-35

Trait:trigonal teeth、5 blades、5 water holes

Suitable for medium soft formations

Limestone、claystone、shale…

Design of 5 blades with trigonal 19mm teeth

Increase the mechanical penetration rate、compression resistance and wear resistance of the bit

The gauge with high-quality PDC cutters、widen and deepen the waterway

Optimize water conservancy structure、enhance chip removal efficiency and reduce mud bags generation
Reduce the abrasion of the gauge、increase the wear resistance and stability of the bit gauge

Keywords

8 1/2″195H30DRT

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