R35 (1 3/8 “) bit thread

Rock drilling tools include: drill bit,drill rod, shank and coupling. The piston of drill rig directly impacts the shank, makes impact power reach the bit through rod by the form of stress wave, so as to work on the breakage of rock. The primary breaking way is impacting while the secondary is cutting; both are with high drilling efficiency. Usually the land surface of the earth is covered with loose, unconsolidated material such as soil, clay, silt, sand, gravel and boulders, which varies in depth from a few centimeters to hundreds of meters.Use concentric system can drill this complex formation very well.The systems are available through the whole product range the smallest being for 114 mm (4 1/2″) casing and largest size available at the moment is for 1220 mm (48″) casing.

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R35 (1 3/8 ”) bit thread

Bits	Diameter		Buttons,mm			Angle	Flushing hole			Weight approx kg		Part No.
	mm	in	Front No Size	Gauge No Size	Type		Front	Gauge
Button bit
	48	1 7/8”	2×9	5×11		35º	1		2		0.9	1431-48R32-29/511-45-41
	51	2”	2×10	5×12		35º	1		2		1.0	1431-51R32-210/512-45-41
Button bit
	48	1 7/8”	3×9	6×10		30º	3		1		0.9	1431-48R35-39/610-45-41
	48	1 7/8”	3×9	6×10		30º	3		1		0.9	1431-48R35-39/610-45-41
	51	2”	3×9	6×10		35º	3		1		1.0	1432-51R35-39/610-45-41
	51	2”	3×9	6×10		35º	3		1		1.0	1432-51R35-39/610-45-51
Cross bit
	48	1 7/8”	-	-	-	-	1		2		0.9	1221-48R35-16/10-42-23
	51	2”	-	-	-	-	1		2		1.0	1221-51R35-16/10-42-23
Button bit, Retrac
	54	2 1/5”	3×9	6×11		30º	3		1		1.3	1632-54R35-39/611-45-51

Reaming bit and pilot adapter, 12°taper, R35 thread
	89	3 1/2”	4×10	8×12		35º	-		-		1.7	1441-8912-410/812-45-41
	102	4”	4×12	8×12		35º	-		-		2.1	1441-10212-412/812-45-41
	127	5”	8×12	8×13		35º	-		-		3.6	1441-12712-812/813-45-41
	40	1 37/64”	-	-	-	-	-		-		2.9	1442-40R35-18/10-45-23
Reaming bit, R35
	102	4”	9×12	8×12		35º	2		2		3.6	1441-102R35-912/812-45-41

Rods		Length				Diameter				Weight approx kg		Part No.
		mm		Ft/in		mm		inch
Drifter rod, T38－Hex35－R35
		4310		14＇15/8”		35		1 3/8”		34.1		22H35-R35/T38-4310-23
		4920		16＇13/4”		35		1 3/8”		38.9		22H35-R35/T38-4920-23
		5530		18＇13/4”		35		1 3/8”		43.7		22H35-R35/T38-5530-23
		6100		20＇1/8”		35		1 3/8”’		48.2		22H35-R35/T38-6100-23
Drifter rod, T38－Round39－R35
			4310		14＇15/8”		35		1 1/2”	35.0		22R39-R35/T38-4310-23
			4920		16＇13/4”		35		1 1/2”	39.9		22R39-R35/T38-4920-23
			5530		18＇13/4”		35		1 1/2”	44.8		22R39-R35/T38-5530-23
			6100		20＇1/8”		35		1 1/2”	49.5		22R39-R35/T38-6100-23
Rods		Length				Diameter				Weight approx kg		Part No.
		mm		Ft/in		mm		inch
Drifter rod, T35－Round39－R35
		4310		14＇15/8”		35		1 3/8”		37.0		22R39-R35/T38-4310-23
		4920		16＇13/4”		35		1 3/8”		41.9		22R39-R35/T38-4920-23
		5530		18＇13/4”		35		1 3/8”		46.8		22R39-R35/T38-5530-23
		6100		20＇1/8”		35		1 3/8”’		51.5		22R39-R35/T38-6100-23
Drifter Extension rod, T35－Round39－T35
			3050		10′		39		1 1/2”	26.7		24R39-T35/48-3050-23
			3660		12′		39		1 1/2”	31.7		24R39-T35/48-3660-23
			4270		14′		39		1 1/2”	36.6		24R39-T35/48-4270-23
			4880		16′		39		1 1/2”	41.6		24R39-T35/48-4880-23
Coupling sleeve
	T38		190		6 1/8”		55		2 5/32”		2.0	31-T38-55-190-23

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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4 Inch Rock Drill Bit