Head Diameter: 60-203mm(2.36″–7.99″)

Shank Length: 105-170mm(4.13″–6.69″)

The CIR series drill bit is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge and construction, etc.

Head Diameter: 90-600mm(3.54″-23.62″)

Shank Length: 150-405mm(5.91″-15.94″)

The SP series drill bit is mainly used in geological exploration, coal mine, waterconservancy and hydropower, highway, railway, bridge and construction, etc.

Head Diameter: 108-305mm(4.25″-12″)

Shank Length: 280-331mm(11″-13″)

Available with or without liner tube for your selection.

The QL series drill bit is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge and construction, etc.

Head Diameter: 90-305mm(3.54″-12″)

Shank Length: 225-329mm(8.86″-12.95″)

The Mission series drill bit is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge and construction, etc.

Head Diameter: 108-800mm(4.25″-19.69″)

Shank Length: 260-480mm(10.24″-18.5″)

The SD series drill bit is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge and construction, etc.

Max Depth：200m-500m

Sensing Mode: MN/TT

Frequency Range: 1-8000HZ

16-Channel high-density measurement for stable field source acquisition.