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

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With a positive and progressive attitude to customer's curiosity, our organization repeatedly improves our products top quality to meet the wants of consumers and further focuses on safety, reliability, environmental necessities, and innovation of 4 Inch Rock Drill Bit, Rock Bit, Dth Bit Factory, We are always looking forward to forming successful business relationships with new clients around the world.

China Wholesale Rock Drill Steel 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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To create more value for customers is our business philosophy; customer growing is our working chase for China Wholesale Rock Drill Steel Supplier – R28 (1 1/8 “) bit thread – LYNE , The product will supply to all over the world, such as: Bandung, Poland, Sydney, Now, we professionally supplies customers with our main products And our business is not only the "buy" and "sell", but also focus on more. We target to be your loyal supplier and long-term cooperator in China. Now, We hope to be the friends with you.

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