high quality pilot drill bit with casing pipe for anti collapse

Applicable Industries:

Construction works , Energy & Mining

Place of Origin:

China

Brand Name:

Qugong

Type:

DRILL BIT

Machine Type:

Drilling Tool

Certification:

API

Material:

Carbon Steel

Processing Type:

Forging, Forging

Use:

Well Drilling

Name:

pilot drill bit

Diameter:

208mm

suitable DTH hammer:

DHD380

casing pipe outside diameter:

245mm

casing pipe inside diameter:

225mm

casing pipe thickness:

10mm

Application:

DTH drilling

package:

Plywood Case

Usage:

anti collapse