Description
HSS Bottom Tap BSP-G 3/8″ x 19 – Somta Series 571
The SOMTA 5710953 – 3/8″ x 19 BSP-G HSS Bottom Tap is a high-precision threading tool engineered for cutting full-depth threads in blind holes. Designed to produce accurate British Standard Pipe Parallel (BSP-G) threads, this bottom tap features a short chamfer lead for threading close to the hole base. Made from premium High-Speed Steel (HSS), it delivers excellent wear resistance and is ideal for tapping operations in steel, cast iron, brass, aluminum, and non-ferrous materials.
Key Features Benefits
- Bottoming Chamfer (1–2 Threads) – Ideal for threading to the bottom of blind holes.
- BSP-G Thread Form – British Standard Pipe Parallel thread, 3/8″ diameter with 19 TPI.
- Straight Flute Geometry – Ensures accurate chip flow and clean thread formation.
- High-Speed Steel (HSS) – Excellent durability and heat resistance under load.
- Bright Finish – Lowers friction and helps achieve a smooth, consistent thread profile.
- Hand or Machine Compatible – Suitable for use in tap wrenches, tapping arms, or CNC machines.
Technical Specifications
- Part No: 5710953
- Thread Size: 3/8″ x 19 TPI
- Thread Standard: BSP-G (British Standard Pipe – Parallel)
- Tap Type: Bottoming (short chamfer for blind holes)
- Flute Style: Straight flute
- Cutting Direction: Right-hand
- Material Finish: High-Speed Steel (HSS), Bright
- Standard: ISO 228 / BS 2779
Why Choose the SOMTA 5710953 BSP-G Bottom Tap?
- Designed for Blind Holes – Achieves full thread depth in restricted spaces.
- Reliable Thread Accuracy – Produces consistent BSP-G threads for pipe fittings and sealing connections.
- Robust HSS Build – Withstands high torque and maintains cutting edge over time.
- Ideal for Pipe Fitting Applications – Suitable for plumbing, fluid systems, and industrial threading tasks.
The SOMTA 5710953 delivers precision BSP parallel threads in demanding blind-hole applications. With its bottoming lead and durable HSS construction, it’s trusted in pipe fitting, hydraulic, and general-purpose threading operations.
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