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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
Screw taps for conical Rc (BSPT) pipe thread
Toolfinder
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Rc (BSPT) – Tapered Pipe Threads
BSPT is one of the British pipe thread types, also known as Whitworth pipe threads. The Rc thread is one of two thread types that are paired with a tapered external R thread to create a sealed connection. All tools needed to produce and repair this type of thread for safe pipe fittings in plumbing or heating applications are available in the BAER online shop.
Everything you need to know about BSPT Whitworth pipe threads
The abbreviation BSPT stands for British Standard Pipe Tapered. It is a thread standard that belongs to the British Standard Pipe (BSP) thread family. The term Tapered refers to the conical shape. The tapered Whitworth pipe thread is standardized under ISO 7/1 and DIN EN 10226.
BSPT is an imperial thread, meaning all dimensions are given in inches, and the pitch is specified in threads per inch (TPI). It has a taper of 1:16 and a flank angle of 55°. This sets it apart from American tapered pipe threads such as NPT.
An Rc internal thread can be combined with a matching tapered R external thread. BSP, BSPT, and BSPP threads share the same outer diameter and pitch, with the difference lying in their taper (or lack thereof) and sealing properties.
British Standard Pipe Tapered Threads – Our product range
In our BAER online shop, you'll find everything you need to produce, repair, or inspect BSPT threads. Thanks to careful manufacturing and high-grade materials, our tools are known for their durability and long service life.
BSPT machine taps
We offer BSPT machine taps in three variants: Form C with straight flutes for through and blind holes, spiral flutes for efficient chip removal in blind holes, and Form B with lead chamfer for through holes in medium and long-chipping materials.
Machine taps can be used both by hand and with machines, producing threads in a single operation. Made from high-quality HSSG or HSSE, they are ideal even for demanding applications, delivering outstanding results.
BSPT hexagonal thread chasers
Thread chasers for BSPT pipe threads are especially useful for repairs or applications in hard-to-reach areas. They can be used with a standard ring or open-end wrench, even in tight spaces.
BSPT thread rings
Occasionally, you may need to check the thread gauge conformity of your cut threads. This helps determine whether your tools are still within tolerance or need resharpening or replacement. Thread ring gauges offer a quick and easy way to do this.
Simply screw the ring onto the thread to test conformity. If needed, we’re happy to calibrate the gauge for you – this can be added to your shopping cart during checkout.
Discover BSPT thread tools and accessories in the BAER online shop!
The BAER online shop offers a wide range of threading tools for BSPT and many other thread types. Take a look and see for yourself. If you have questions or need support, our competent customer service team is here to help – by phone or conveniently 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!