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

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China Wholesale Rotary Rock Drill Bits – 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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We emphasize advancement and introduce new products and solutions into the market each year for China Wholesale Rotary Rock Drill Bits – R28 (1 1/8 “) bit thread – LYNE , The product will supply to all over the world, such as: Kuwait, Austria, South Korea, Our company upholds the spirit of "innovation, harmony, team work and sharing, trails, pragmatic progress". Give us a chance and we will prove our capability. With your kind help, we believe that we can create a bright future with you together.

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