Brass Bib Cock Body: Types, Sizes and How It Is Manufactured

Published by Onella Export on 30 October 2026

The bib cock is one of the most common taps in any building: on bathroom walls, in kitchens, on balconies and in gardens. Its brass body carries the water, holds the headwork, and takes the stress of being turned on and off thousands of times. A weak or poorly machined body leaks, cracks or loses its finish.

Our article for buyers choosing a brass bib cock body manufacturer covers the quality checks to run. This article explains the product itself: how a bib cock body is built, the main types and sizes, and how it is manufactured.

• Short body: compact, used where the basin or bucket sits close to the wall.
• Long body: extends the spout further from the wall, common over sinks and in bathrooms.
• Bib cock with wall flange: includes a flange for a finished look.
• Garden or hose bib cock: fitted with a hose union outlet.
• Two-way bib cock: with an additional outlet for a washing machine or hand shower.

• Screw-down (multi-turn) headwork: a rubber washer presses on the seat. Simple and economical.
• Quarter-turn ceramic disc cartridge: opens fully in a quarter turn and resists wear. Popular in mid-range and premium taps.

The body must be machined to suit the chosen headwork, so specify it before ordering bodies.

The most common size in homes is 15 mm, or 1/2 inch, with 20 mm, or 3/4 inch, used for higher flows and garden taps. Inlet threads are usually BSP in India, the Middle East and the UK. In India, IS 781 covers copper alloy screw-down bib taps and stop valves, and buyers in other markets reference their own standards. Read our BSP vs NPT guide for thread details.

1. Brass bar or billet: production starts with brass of the agreed grade. Onella produces its own brass bars in-house.
2. Hot forging: the brass is heated and pressed in dies to form the body shape, creating a dense structure with fewer internal defects than many castings.
3. Trimming and shot blasting: excess material is removed and the surface cleaned.
4. CNC machining: inlet thread, seat, headwork thread and spout bore are machined to drawing.
5. Polishing and buffing: the surface is prepared for plating.
6. Plating: typically nickel followed by chrome for a bright, durable finish.
7. Testing and inspection: dimensional checks, pressure or leak testing and finish inspection.
8. Packing: bodies are protected to prevent scratches during transport.

Forged bodies are generally denser and stronger, with a lower risk of porosity, and are preferred for quality-focused markets. Cast bodies allow more complex shapes and can suit certain designs. Ask your manufacturer which method it uses and why.

• Body type and overall dimensions, or a drawing or sample
• Size and inlet thread standard
• Headwork type to be fitted
• Brass grade, including lead-free or DZR if the market requires it
• Finish: raw, polished, or nickel-chrome plated
• Test requirements and quantities

Export buyers should also read our guide to sanitary fitting standards by market. Explore our brass sanitary components.

Onella Export has manufactured and exported brass components from Jamnagar, Gujarat since 1991. It is an ISO 9001:2015 certified manufacturer with its own foundry producing around 5,000 kg of brass solid and hollow bars a day, plus in-house forging and machine turning. Customers are spread across India, the Middle East, the Far East, Europe and America.

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What is a bib cock body?

It is the main brass part of a bib tap that carries water from the wall inlet to the spout and holds the headwork or cartridge that opens and closes the flow.

What is the difference between short body and long body bib cocks?

A long body bib cock extends the spout further from the wall, which suits sinks and basins, while a short body is more compact.

What sizes do bib cock bodies come in?

The most common size is 15 mm or 1/2 inch, with 20 mm or 3/4 inch used for higher flows and garden taps.

Are forged bib cock bodies better than cast ones?

Forged bodies are generally denser and stronger with less risk of porosity, which is why many quality-focused buyers prefer them.

Which Indian standard covers bib taps?

IS 781 covers cast copper alloy screw-down bib taps and stop valves in India. Buyers in other markets reference their own national standards.

Contact Onella Export with your drawing, sample or specification, email kp@onellaexport.com or call +91 97276 77787.