76mm Symmetric Overburden Casing System by Top Hammer

• Customization: Available
• Brand: Prodrill
• Processing Type: Forging
• Model NO.: 76mm
• Name: Symmetrix/Symmetric Overburden Casing Drilling
• Casing O.D: 76mm
• Casing Wall Max.: 8mm
• Ring Bit I.D.: 47mm
• Ring Bit O.D: 90mm
• Pilot Bit. O.D: 59mm
• Thread Type: R32,R38,T38 Thread
• Transport Package: Wood Package
• Specification: SGS, CE, ISO9001
• Trademark: PRODRILL
• Origin: China
• HS Code: 84314320
• Production Capacity: 10000pec/Months

Product Description

Description:

SOD Permanent
Top hammer T38 with Casing O. D 89mm Symmetrix overburden drilling system
Casing wall max. thickness - 8mm
Ring bit - Inner Dia. 54mm, Outer Dia. - 100mm
Pilot bit - Outer Dia. 70mm

Permanent/Top hammer  Symmetrix overburden drilling system
Code No.	Casing O.D.		Wall thickness		Ring bit I.D.		Ring bit O.D.		Polit bit O.D.		Thread
	mm	inch	mm	inch	mm	inch	mm	inch	mm	inch
RoBit-SOD 89	89	3 1/2''	4	0.157	71	2.795	99	3.898	80	3.15	T38
RoBit-SOD 76	76	3''	8	0.315	47	1.85	90	3.543	59	2.323	T38
RoBit-SOD 89	89	3 1/2''	8	0.315	50.8	2	94.9	3.736	70	2.756	T38
RoBit-SOD 101	101.6	4''	10	0.394	65	2.559	110	4.331	79	3.11	T38
RoBit-SOD 114	114	4 1/2''	10	0.394	73.5	2.894	120.3	4.736	92.5	3.642	T38
RoBit-SOD 140	140	5 1/2''	10	0.394	94	3.701	145.7	5.736	117.5	4.626	T45
RoBit-SOD 168	168	6 5/8''	10	0.394	127	5	182.3	7.177	147	5.787	T45

SOD Permanent/Top hammer Symmetrix overburden drilling system
Order number	Casing wall  max. thickness		Ring bit		Pilot bit		Unit
			Inner	Outer	Outer
ATLAS-SOD 76	8		41	88	58		mm
	0.31		1.61	3.46	2.26		inch
ATLAS-SOD 89	8		54	100	70		mm
	0.31		2.13	3.94	2.76		inch

Prodrill successfully manufactured ROBIT Rox+ Symmetrix Casing System, size as follow: 
1. Casing O.D 89mm 
2. Casing wall Max. 4mm. 
3. Ring Bit I.D. 71mm, 
4. Ring Bit O.D 99mm
5. Pilot bit. O.D 80mm
This Symmetrix Casing System, Pilot bit, and Ring Bits are widely applied for forepiling tunnel tube umbrella anchoring, water well, foundation.

More Info.

Outer Dia Of Casing Tube	Inner Dia Of Casing Tube	Reamed Dia	Min Inner Dia Of Casing Shoe	Drill Pipes	Max.Outer Dia Of Normal Bit
mm	mm	mm	mm	mm	mm
114	101-103	127	91	76	77
127	114-116	136	101	76	82
140	124-127	152	117	76	92
146	127-132	154	117	76	105
168	149-155	184	140	76	105
178	159-165	194	150	76.89	125
193	173-180	206	164	76.89	140
219	199-206	234	184	89.114	150
244	224-231	260	210	89.114	165
273	251-257	305	240	114	190
323	301-310	348	284	114.127	220
406	382-388	440	364	127	255
457	433-439	488	413	140	340
508	484-490	538	464	140	385
558	534-540	590	514	140	440
610	586-592	642	566	140	485
660	636-642	694	615	168	540
711	687-693	745	665	168	590
762	738-744	798	716	168	640
863	839-845	900	815	168	685

Ps.: Others about Prodrill Equipment Co., Ltd
1. Prodrill Main Products as below: 
1) Rock drill:
Handheld rock Drill (Jackhammer): Y10, Y18, Y20, Y24, Y26, TY24C, etc;
Airleg rock drill: YT24, YT28, etc;
Gasoline rock drill: YN27
2) Drill rod: Taper rod (hex. 22 * 108mm)
3) Drill bit: Taper button bit, Taper chisel bit, Taper cross bit; Thread button bit (Top hammer); DTH Hammer and DTH bit; Overburden Drilling System
4) Splitter: Handheld stone splitter (or shims and wedges or plug and feather), G10 pneumatic splitter; Hydraulic Splitter
5) Breaker: Hydraulic Breaker, Pneumatic Breaker G10, TPB, etc;
6) Splitting or Cracking Powder for Construction/ Quarry/ Rock: Expansive mortar Soundless Cracking Agent; High Range Soundless Cracking Agent

2. Advantages:
Compared the Rock Drilling Tools with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory
 
3. About Us:
1.    Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.
2.    We have advanced technology and equipment.
3.    Our technician has more than 13 year's professional working experience.
4.    Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.