tricone bit 1.steel tooth bit 2.rubber tooth bit 3.standard:API 4.Size: 3 7/8" to 26"

 Tricone bits

 

Product Description:

  Our company's bits are used to drill Low -compressive strength soft formation ,high-compressive strength ,medium hard formation.

   1 Long projection teeth are lengths used on high offset cones to provide the greatest penetration rates possible.

   2.Wear-resistant hard facing is used to control tooth wear.

   3.Durable hard facing is applied to reduce tooth wear

Size Avaluable:

From 3 7/8" (98.4mm)  to 26"(660.4mm)

Bit size	Inch (in)	5 7/8	6	61/8	6 1/4	7 7/8	8 3/8	8 1/2	8 3/4	9 1/2	9 5/8	9 3/4	9 7/8	12 1/4	13 3/4
	Metric (mm)	149.2	152.4	155.6	158.7	200.0	212.7	215.9	222.2	241.3	244.5	247.3	250.8	311.1	349.2
Bit type		437	437	437	437	447	417	417	417	417	417	417	417	417	417
		517	517	517	517	517	437	437	437	437	437	437	437	437	437
		537	537			537	517	517	517	517	517	517	517	517	517
		617	617			547	537	537	537	537	537	537	537	537
		637	637			617	617	617	617
							637	637	637
API Regular Pin (in)		3 1/2				4 1/2				6 5/8
Recommended make-up torque for bit shank (KN.m)		9.50-12.2				16.30-21.70				37.93-43.30

tricone bit