5" nod140 dhd350 dth eccentric overburden pilot bit

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USD $100 - $500 / Piece

1 Piece(Min. Order)

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Product Details

5" pilot bit:
1. 10 years manufacturing experience
2. Certificate: ISO9001:2008
3. Material: Carbi

5" nod140 dhd350 dth eccentric overburden pilot bit :

1	Casing Tube	Maximum O.D.: 171mm Minimum O.D.: 155.6mm
2	Drill Pipe	Connection Thread: API2 ³/₈”Reg O.D.: 89mm Wrench Flats: 65mm
3	Guide Sleeve	Effective length: 205mm
4	DTH-Hammer	ND55, Cop54, NSD5, DHD350R, NQL50
5	Casing Shoe	L3=90mm L4=63mm D3=155.3mm D4=143mm
6	Guide Device	L1=55mm L2=160mm D1=141mm D2=154mm
7	Reamer	D5=138mm L5=69.5mm Reaming Diameter: 185mm Reamer has 7*14 mmbuttons
8	Pilot Bit	D6=138mm L6=66mm Gauge button: 816mm Front button:814mm

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Hunan New Diamond Construction Machinery Co., Ltd.: Contact nameRick Liao
Chat Now; Phone0086-731-89708148; AddressMeiguiyuan, Yuelu district, Changsha city, Hunan, China, Yueyang, Hunan

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