Overburden Symmetric Casing Concentric Pilot Bit and Ring Bit with Casing Shoe

• Customized: Customized
• Standard: API
• Length: Jobber-length
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: SOD
• Type: Center Drill Bit
• Material: Tungsten Carbide
• Usage: Well Drilling
• Suitable Hammer Model: 3"-18" Hammer
• Reamed Diameter: 118mm-426mm
• Drill Direction: Drills at Any Angle
• Applied: to Drill Complex Rock Formations
• Transport Package: Wooden Box
• Specification: CE
• Trademark: BESTLINK
• Origin: Xiamen, China
• HS Code: 84314320
• Production Capacity: 20000sets/Month
• Package Size: 60.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 40.000kg

Product Description

DTH Hammer Drilling Overburden Symmetric Casing Concentric Pilot Bit and Ring Bit with Casing Shoe

Product specifications: Concentric/Symmetric Casing overburden Drilling System with Ring Bit

 

Casing Tube OD(mm)	Casing Tube ID(mm)	Reamed Dia(mm)	Casing Shoe ID(mm)	Polit bit Dia(mm)	Hammer Type	Drill Pipe (mm)
108	95	118	80	70	DHD3.5/QL30	76
114	101	128	90	80	DHD3.5/QL30	76
127	114	141	100	90	DHD3.5/QL30	76
140	124	154	110	98	DHD340/QL40	76
146	126	160	114	102	DHD340/QL40	76
168	148	182	132	120	DHD350/QL50	76/89
178	158	192	142	130	DHD350/QL50	76/89
183	163	198	152	138	DHD350/QL50	89/114
194	174	210	164	148	DHD360/QL60	89/114
219	199	235	184	170	DHD360/QL60	89/114
245	225	261	210	192	DHD380/QL80	114
273	253	293	238	219	DHD380/QL80	114/127
325	305	348	294	270	SD10/NUMA100	127
406	382	426	374	350	SD12/NUMA125	140