USK Series Knee-Type Machines

Challenging holes where accuracy is imperative are drilled on USK table-type machines. X-Y table positioning allows manufacturers to achieve exact precision in hole location and tolerance achievement, even in extreme depth-to-diameter hole applications. USK machines use proven drilling technology on a rigid one-piece construction machine for unmatched accuracy and reliability when it is crucial.

USK machines are capable of both gundrill and BTA drilling for high ratio depth-to-diameter holes, and can be configured with a range of options to support specific demands and applications. The USK series draws from the drilling technology proven across UNISIG’s line of deep hole drilling machines, for the most extreme accuracy capabilities on the market.

Description USK25 USK38 USK50 USK75
BTA Solid Drill 38 mm 50 mm 75 mm
BTA Counterbore/Trepan 50 mm 75 mm 108 mm
Rated gundrill diameter 25 mm 38 mm 50 mm 50 mm
Drill depth 1,750 – 2,000 mm 1,000 – 2,000 mm 1,000 – 3,000 mm 1,500 – 3,000 mm
Description USK25 USK38 USK50 USK75
BTA Solid Drill 1.50 in 2.00 in 3.00 in
BTA Counterbore/Trepan 2.00 in 3.00 in 4.30 in
Rated gundrill diameter 1.00 in 1.50 in 2.00 in 3.00 in
Drill depth 30 – 80 in 40 – 80 in 40 – 120 in 60 – 120 in

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