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Taps & Dies
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Thread standards
- M - metric regular thread
- MF - metric fine thread
- G (BSP) - pipe thread
- UNC - American coarse thread
- UNF - American fine thread
- UNEF - amer. Extra fine thread
- UN - amer. with special pitch
- UNS - amer. with special pitch
- BSW - british coarse thread
- BSF - British fine thread
- Tr - trapezoidal thread
- Rd - knuckle thread
- NPT - amer. taper pipe thread
- NPTF - amer. taper pipe thread
- NPS - amer. cyl. pipe thread
- Rc (BSPT) - taper pipe thread
- Rp (BSPP) - cyl. pipe thread
- Vg - valve thread
- BA - brit. assn. Thread
- BSB - BSC - brit. std. thread
- W - taper gas cylinder valves
- Electrical and cable thread
- Bicycle and pedal thread
- Photo and C-Mount Thread
- Mini and nano threads (< 2mm)
- PG - steel conduit thread
- S - buttress thread
- RMS - microscope thread
- MJ, UNJC, UNJF - Aviation
- STI thread (thread inserts)
- Special thread
- Operating tools
- Lubricant
- Thread restoration tools
- Countersink
- Step drills
- Thread gauges
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Thread standards
- BaerCoil/BaerFix
- Drill chucks
- Twist drill bits
Countersink for perfect drill holes
Toolfinder
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Countersinks
Instructions for cutting threads often include the recommendation to countersink the core hole. The tool used for this step is a countersink. Below you will learn why countersinking is such an important step and which HSS countersink from the BAER online shop is right for your application.
Everything you need to know about countersinks
Using a countersink serves several purposes. On the one hand, it ensures that the finished workpiece has a flat and clean surface, which offers both aesthetic and safety-related advantages. On the other hand, countersinking holes with a countersink also supports the subsequent production of a thread.
When drilling into metal, burrs often form around the edge of the hole. These are small chips that have not completely separated from the workpiece. Such burrs not only look unattractive, but can also be very sharp depending on the material. They should therefore always be removed; this process is known as deburring. This is best done using a metal countersink.
A countersink is also required when using countersunk head screws. To ensure that the screw head sits flush with the surface of the component, sufficient space must first be created in the material. This can also be achieved with a countersink, allowing the screw to be fully recessed and the component to have a flat surface.
Especially when cutting threads, using a countersink provides an additional advantage. A countersunk hole makes it easier to start the tap and thus helps to produce straight, clean and precise threads. You should therefore never skip this step.
HSS 90-degree countersinks – Our range
HSSG countersinks for standard applications
Our HSSG countersinks with a 90-degree countersink angle and cylindrical shank are ideally suited for all standard applications. You can purchase the countersinks individually or in convenient sets containing several tools. The 6.3–20.5 mm countersink set includes six tools, while the 6.3–25.0 mm countersink set contains five tools.
HSSE-VAP countersinks for stainless steel
Tough applications require a special cutting material for perfect results. Our HSSE-VAP countersinks with a 90-degree angle are particularly suitable for countersinking stainless steel. These products are available individually or as part of countersink sets containing a larger number of tools.
HSSG bit countersinks
Thanks to their compatibility with bit holders, our hex-shank bit countersinks are especially flexible when used with cordless screwdrivers. Add the sizes you need individually to your cart or choose our HSSG 90° bit countersink set 6.3–20.5 mm for cordless screwdrivers and receive all required items in a sturdy box.
HSSG cross-hole countersinks
Typically, countersinks feature three or more cutting edges running along the flutes of the conical head. However, there are also designs with a completely different structure. In a cross-hole countersink, the cutting edges are located on the edge of a hole that runs diagonally through the head and simultaneously serves to evacuate chips. Depending on the cutting direction, one of the two cutting edges engages. Cross-hole countersinks are available individually or in sets.
Discover countersinks and many other tools with guaranteed fast delivery in the BAER online shop!
Fair prices, short delivery times and high-quality tools with outstanding service life – all this and more awaits you in the BAER online shop. Browse our range or use the filters on our homepage to display products relevant to your application. Of course, we are also happy to advise you personally. Call us or send us a message via our contact form!
Do you have any questions? We have the answers!
You'll quickly find the right answers in our FAQ - take a look!