Several long metal parts clamped side by side for gun drilling with multiple spindles
Gun Drilling for Shaft Parts
HTT K Series Gun Drilling Machines
K4, K6, K12, K16/K20, K25 and K30/K40 deep hole drilling machines for shaft parts
HTT K Series Gun Drilling Machines drill shaft parts with 1 to 6 spindles, diameters from 0.8 mm to 40 mm and depths up to 3,000 mm, for automotive, medical, aerospace and oil industry work.
Manufactured byHTT
1 to 6Spindles
0.8–40 mmDrilling diameter
3,000 mmMaximum drilling depth
20,000 rpmSpindle speed (K4)
140 barCoolant pressure (K4, K6)
Overview
Small, precise deep holes in shaft parts
The HTT K series are gun drilling machines for shaft parts, presented by HTT as deep hole drilling machines for shaft parts. They are built with 1 to 6 spindles and drill diameters from 0.8 mm to 40 mm to depths of up to 3,000 mm.
Six model groups cover the range. The K4 drills 0.8–4 mm at up to 20,000 rpm with 140 bar coolant pressure, while the K30/K40 drills 8–40 mm with up to 3,000 mm depth and a 15 kW spindle motor. Up to 6 spindles are available on the K4, K6 and K12.
Options include a loading and unloading system, tool monitoring and an automatic chip centrifuge. A choice of CNC controls is offered.
Applications
Where the K series is used
HTT names these industries for its K series machines on its industry page.
Pneumatic grippers placing small parts into a fixture next to several gun drilling spindles
Two spindle motors above a row of gun drilling spindles with drill guides and cable chain
Automotive industry
Deep holes in valves, camshafts, transmission shafts, shock absorbers and frames.
Medical instruments
Precision instruments with deep bores, including bone nails for intramedullary nailing.
Aerospace engineering
Deep hole drilling where precision is the main concern.
Oil industry
Smaller diameters and fine deep hole work.
Features
Machine features
- 1 to 6 drilling spindles
- Drilling diameters from 0.8 mm (K4) to 40 mm (K30/K40)
- Drilling depths from 300 mm up to 3,000 mm by model
- Spindle speeds up to 20,000 rpm on the K4
- Coolant pressure from 60 to 140 bar by model
- Optional loading and unloading system
- Optional tool monitoring and automatic chip centrifuge
- Choice of CNC control systems
Benefits
What it brings to production
Several spindles drill parts at the same time
Six model groups to match hole size and depth
Optional loading, tool monitoring and chip handling for automated work
Drilling deep holes in shafts or small parts?
Share your parts, hole diameters, depths and quantities, and our Machinery team will help you select the right HTT K series machine.
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