Bonut Engineering
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Bonut Engineering
Manufacturers and Stockists of Engineers Studs, Shaft Collars, Keys, Pins and Precision Turned Parts and Valves in Steel, Stainless, High Grade Alloy and Non-Ferrous Metals. Customers' special products can be made on our in house CNC and traditional turning and milling machines from "one offs" to large batches. Where there is a requirement for repeat orders of small quantities of special items we can often produce an economical batch which is held in stock and delivered to customers agreed schedule.

We are manufacturers and stockists of engineers studs, shaft collars, keys, pins and precision turned parts and valves in steel, stainless, high grade alloy and non-ferrous metals. We produce precision components to customers specifications, drawings and bespoke requirements in most materials.
Services
Bonut Engineering Ltd was established in 1966 and is a leading UK manufacturer and supplier to the fastener and general engineering industry.
We specialise in the UK manufacture of engineer's studs, shaft collars, pins and precision turned parts and valves in stainless steel, high grade alloy and non-ferrous metals.
In 2010 we acquired the Dereve Safety and Water Valve business and shortly afterwards, the fusible plug business which is now consolidated under the Dereve brand.
Our experience of both the fastener and valve manufacturing businesses enables us to support our customers over a wide sector of Industry.
Our modern machine shop specialises in the production of batch components produced by C.N.C. turning, giving us the facility to produce engineer studs quickly and to the highest standard.
We provide engineer studs to both Metric and Imperial dimensions, and in addition to our British Standard mild steel studs, we can cater for other requirements such as high tensile, brass, and stainless steel studs.
We manufacture studs to the following standards: Imperial studs to BS1083 and BS2693 and metric studs to BS4439.
We stock a wide range of engineer's shaft collars in Metric and Imperial sizes and in most cases we can offer same-day despatch service.
As well as standard solid collars, we can also manufacture single split and double split collars to order.
Our collars are typically available in materials BS 230M07 (EN1A) and in stainless steel, but we can also produce collars in aluminium and other materials.
Bonut are specialists in engineer's keys and can supply a multitude of types, both standard and to customer specification.
Our range encompasses standard keysteel, gib head keys, and feather keys round ended or square.
All our keys are supplied to BS4235(Metric) and to BS46 (Imperial).
These products can be provided in BS 080M40 (EN8) as well as in stainless steel.
Due to our extensive stocks, in most cases we can offer a same day despatch service for our keysteel, with short lead times for most configurations.
Bonut Gibhead keys or tapered keys are made to BS46 Part 1: 1958 for imperial sizes and BS 4235 Part 1: 1972 for metric sizes, unless otherwise agreed with the customer, and are tapered on the top face that engages the hub.
They are made from steel to BS907 Part 1 unless otherwise agreed.
They are designed to be used on a shaft and hub assembly up to about 150mm diameter with pre machined keyways.
Recommended dimensions for shaft and hub keyways are shown in the standard.
Most of our taper keys have a head or gib, which is used for drifting into place and removal.
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