China Wholesale Small Rock Drill Bits Supplier – R28 (1 1/8 “) bit thread – LYNE

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China Wholesale Small Rock Drill Bits Supplier – R28 (1 1/8 “) bit thread – LYNE Detail:

R28 (1 1/8 “) bit threa

Bits	Diameter		Buttons,mm			Angle	Flushing hole			Weight approx kg		Part No.
Bits	mm	in	Front No Size	Gauge No Size	Type	Angle	Front	Gauge		Weight approx kg		Part No.
Button bit
	38	1 1/2”	2×7	5×9		30º	1		1		0.60	1431-38R28-27/59-45-41
	38	1 1/2”	2×7	5×9		35º	1		1		0.60	1431-38R28-27/59-45-41
	41	1 5/8”	2×8	5×9		35º	1		1		0.70	1431-41R28-28/59-45-41
	43	1 11/16”	2×8	5×10		30º	1		1		0.70	1431-43R28-28/510-45-41
Cross bit
	38	1 1/2”	-	-	-	-	1		2		0.60	1221-38R28-12/8-42-23
	41	1 5/8”	-	-	-	-	1		2		0.70	1221-41R28-12/8-42-23
Reaming bit, 6º taper
	64	2 1/3”	4×8	8×9		25º	-		-		0.90	1441-646-48/89-45-51
	76	3”	4×10	8×10		30º	-		-		1.30	1441-766-410/810-45-51
	89	3 1/2”	4×11	8×11		30º	-		-		1.70	1441-896-411/811-45-51
Pilot adapter, 6º taper,R28 thread
	26	1 1/32”	-	-	-	-	-		-		1.30	1442-26R28-15/8-45-23

Rods		Length		Diameter		Weight approx kg		Part No.
		mm	Ft/in	mm	inch
Drifter rod,R32-Hex28-R28
		2400	7＇10/2”	28	1 1/8”	12.3		21H28—R28/R32-2400-23
		2750	9＇1/4”	28	1 1/8”	14.1		21H28—R28/R32-2750-23
		3090	10＇15/8”	28	1 1/8”	15.8		21H28—R28/R32-3090-23
		3700	12＇15/8”	28	1 1/8”	18.9		21H28—R28/R32-3700-23
		4310	14＇15/8”	28	1 1/8”	22.0		21H28—R28/R32-4310-23
Coupling sleeve
	R32	150	5 7/8”	44	1 23/32”		1.0	31-R32-44-150-23

production process

Thread Button Bit
Thread Button Bits: High quality and several thread with various carbide tips like YK05 are available. All products can be developed upon customers’ request.
Prodrill supply all kind of button bits with Rope thread R22, R25, R28, R32, R35, R38 and T thread, T38, T45, T51, ST58, ST68, T60 etc. for world famous brand drill rig.
Main button bits is:
R32-43MM, R32-45MM, R32-51, R32-64, R32-76;
T38-64, T38-76MM, T38-89, T38-102MM;
T45-76MM, T45-89MM, T45-102MM;
T51-89MM, T51-102MM, T51-127MM etc.
all face design, flat face, drop-center face, normal body and retrac body.

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Our solutions are broadly acknowledged and dependable by users and may meet consistently developing economic and social requires for China Wholesale Small Rock Drill Bits Supplier – R28 (1 1/8 “) bit thread – LYNE , The product will supply to all over the world, such as: Panama, Zambia, Mauritius, We always insist on the management tenet of "Quality is first, Technology is basis, Honesty and Innovation".We are able to develop new products continuously to a higher level to satisfy different needs of customers.

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