Ring drill bits
For cased boreholes such as bored piles and bored pile walls, also as Twindrive.
Casing Ø 88.9 to 273 mm
Products
Drilling tools for special civil engineering
Drill bits, drill pipes, augers, flushing heads and accessories. Made in Bochum, delivered to 38 countries. Every part also made to your drawing.
In-house production on 5,800 m²
TÜV Nord certified welding company
Many parts in stock
Your contact person
MOST REQUESTED
Drill pipes
For special civil engineering, geothermal, well and anchor construction, friction-welded or special-welded.
Ø 51 to 254 mm
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Lost tip
Remains in the ground during driven drilling, with flushing holes as standard.
For drill pipes 101.6 to 203 mm · Ø 120 to 230 mm
Drill bits and tips
Bits, tips and shoes for the bottom of the borehole. All with in-house cutting inserts.
Ring drill bits
For cased boreholes such as bored piles and bored pile walls, also as Twindrive.
Casing Ø 88.9 to 273 mm
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3-wing drill bit with thread
With thread to match the drilling system, in heavy-duty or standard design.
88.9 · 101.6 · 114.3 mm · API Reg. 2 3/8″ to 3 1/2″
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New
Percussion / solid drill bits
Drill the full cross-section, firmly screwed on or as a lost bit.
Screwed on or lost · compatible with Zipp drill pipes
Lost tip
Remains in the ground during driven drilling, with flushing holes as standard.
For drill pipes 101.6 to 203 mm · Ø 120 to 230 mm
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Driving shoe
Without a driving shoe, the lost tip cannot be driven into the ground.
For drill pipes 101.6 to 177.8 mm
Extension crown / Reamer / Back reamer
Enlarges the borehole at the level of the pipes, made to measure.
Relieves the casing
Drill pipes, drill rods and casing
Pipes, rods and components for the drill string, rotary friction welded and with connectors made in-house.
Drill pipes
For special civil engineering, geothermal, well and anchor construction, friction-welded or special-welded.
Ø 51 to 254 mm
HDI drill pipes
Drill string for high-pressure injection drilling, matching our flushing heads.
Ø 114.3 mm · box and pin
API drill rods
Drill rods with hardened and nitrided API connectors, also with left-hand thread.
2 3/8″ to 6 5/8″ · API Reg. or IF
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Preventer and discharge head
Discharge the flushing medium in a controlled way during double-head drilling.
Compensation rods
Ensure the correct lead of the inner string in double-head drilling.
KW76 thread, H55 on request · length made to measure
Augers and flushing heads
Solid-stem and hollow-stem augers with flights made in-house, plus flushing heads for water, air or suspension.
Solid-stem augers and heads
Solid augers with hexagonal connection, our core product for UXO clearance.
SW29 to SW80 · Ø 115 to 160 mm
Hollow-stem augers and heads
With reinforced outer flight edges, plus matching heads and starter augers.
Effective length 250 to 6,000 mm
Flushing heads
Feed water, air or grout into the drill rods, matched to your drilling system.
HDI: Ø 88.9 and 114.3 mm · otherwise 90 to 170 mm
Job site equipment
Store, transport, unwind.
Clamping jaws
Serrated jaws for a secure grip in the clamping device.
For Klemm and Hütte drilling rigs
Anchor unwinding rack
Unwinds anchor strands, prestressing steel and wires in a controlled manner on site.
For standard strand coils and special sizes
Stacking rack
For stable storage of drill pipes and profiles on site.
For drill pipes and profiles · also made to measure
Rod box
Stores drill rods protected and within easy reach, without any parts bending.
CE-tested · welds inspected
By application
Which tools do you need for your job site?
Soldier pile wall
Pre-drilling for soldier piles.
UXO clearance
Probe drilling with standard augers.
Double-head drilling
Outer casing and inner drill rods simultaneously.
Anchors and micropiles
Cased drilling, the tip stays in the ground.
Geothermal drilling
Geothermal boreholes with flushing.
By connection
Connection
Matching Zipp products
Hexagon SW29 to SW80
Solid-stem augers · Drill heads
Octagon SW51 to SW120
Hollow-stem augers · Lead augers
API 3½″
API drill rods · Hollow-stem augers in API design
Conical pipe connection
Drill pipes · Ring drill bits · Lost tip
Custom-made
Not listed? We manufacture to your drawing.
We have already manufactured more than 5,000 different parts. Send us a drawing, photo or sample, and we will tell you whether and by when we can build it.
- To drawing, sample or old part
- Prototype and series production
- Rotary friction welding up to Ø 177.8 mm and 6 m
Thank you, we have received your request. We will be in touch shortly.
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QUALITY
Inspected in our own plant
Welds inspected
100 % guaranteed by our welding engineer Christian Czayka.
Rod boxes with CE inspection
Acceptance testing in-house.
Hardened connectors
API connectors hardened and nitrided, all flushing shafts hardened.
60+
Employees
30+
Machines
5,800 m²
Production and warehouse
38
Countries
IN ACTION
Examples from practice
Example: bored pile wall in Hamburg
Ring drill bits Ø 180 mm and 120 m of drill pipes for a secant bored pile wall in the port. Delivered in 3 weeks.
Example: UXO clearance in Brandenburg
Solid-stem augers SW29 to SW51, hollow-stem augers and lost tips for the probe drilling.
Example: micropiles in Switzerland
Many individual parts from stock, urgent spare parts delivered worldwide by our own courier service.
Your contacts
Talk to the people who build it
FAQ
Frequently asked questions
Can you make it?
95 % of the time, yes. We manufacture more than 5,000 different parts, each one also to drawing, sample or old part. Send us a photo and we will quickly tell you whether it can be done.
How long do your tools last?
That depends mainly on the soil, the drilling rig and the duration of use. You do not have to buy wear parts such as ring drill bits and flushing heads new straight away: we repair them in our own plant.
What is the delivery time?
Many parts from stock, manufactured parts usually within 1–4 weeks. Large orders take longer.
What is the fastest way to reach you?
Via WhatsApp or on +49 2327 9915-18.
Do you also do repairs?
Yes. We repair ring drill bits and flushing heads in our own plant in Bochum. Maintenance and repair of drilling rigs is handled by Zipp Maschinentechnik GmbH.
Can't find your tool?We'll make it.
Send us a drawing, dimensions or a photo. We deliver spare parts worldwide with our own courier service.