China Water Well Drilling Bit / HDD Pilot Bit 311.2mm FA517G API-7-1 Standard for sale

Water Well Drilling Bit / HDD Pilot Bit 311.2mm FA517G API-7-1 Standard

Price Negotiable

Price: Negotiable

MOQ: 20pcs

Delivery Time: 5~45 workdays

Brand: FLRT

Product Description

311.2mm FA517G , Rock Bit, Water Well Drilling Bit , TCI Bit, Rotary Drilling Bit , HDD Pilot Bit

RECOMMENDED DRILLING PARAMETERS FOR APPLICATION

`Types & IADC Code`		`417`	`437` `447`	`517` `527`	`517` `527`	`537` `547`	`617` `627`	`637`
`WOB`	`KN/mm(Bit Dia.)`	`0.4~0.9`	`0.4~0.9`	`0.35~1.0`	`0.35~1.0`	`0.5~1.0`	`0.6~1.1`	`0.7~1.2`
`WOB`	`Lb/in. (Bit Dia.)`	`2285~5142`	`2285~5142`	`2000~5714`	`2000~5714`	`2857~5714`	`3428~6285`	`4000~6857`
`Rotation Speed (Rpm)`		`140~60`	`240~70`	`125~50`	`~60`	`110~50`	`100~40`	`80~4`

Cone offset

- It forces the cone to rotate around the axis of the bit
- The cone slips as it rotates causing tearing and gouging action
- Amount of offset directly relates to the strength of drilled rock
- Large offset used for soft formation
- Hard brittle rock need no offset
- Medium hard rock need up to 2 offset
- The degree of offset is defined as the horizontal distance between the axis of the bit and a vertical plane through the axis of the journal

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Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company FLRT Bit

Location B2-0645 ROOM, CENTURY-TEA-TRADE-CENTER, NO.10 MALIANDAO ROAD, XUANWU DISTRICT, BEIJING, CHINA

Contact Person Jade

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