Products & capabilities
Certified Special Fasteners & Machined Components
Bolts, studs, nuts, washers and bespoke machined parts supplied to drawing, recognised standard, approved sample or project specification.
SNB supports standard and non-standard requirements across a wide range of materials, finishes, sizes and thread forms, with testing and certification documentation aligned to the project requirement.
More than a catalogue
Technical Review Before Supply
Our product capability is not defined by a fixed catalogue. Many enquiries begin with a drawing, specification, material requirement, sample or certification requirement. SNB reviews the technical details first and then manages the appropriate route through manufacture, testing, coating, inspection, documentation and delivery.
Special Bolts & Screws
Hexagon head bolts, socket head products, countersunk products and bespoke head forms. Non-standard dimensions, thread forms and configurations can be manufactured to drawing or specification.
Studbolts & Threaded Products
Fully threaded studs, double-ended studs, tap-end studs, studbolts for flange and process-pipework applications, and project-specific studding.
Nuts
Hexagon nuts, heavy-series nuts, lock nuts, coupling nuts, slotted and castle nuts, bi-hex and specialist forms supplied to recognised standards or customer drawings.
Washers
Flat washers, spring washers, tab washers, square plate washers, load-indicating washers, taper washers and bespoke forms supplied to recognised standards or customer drawings.
CNC Machined Components
Precision turned components, sliding-head machined parts and customer-drawing components produced to the required dimensional specification.
Hot Forged Specials & Bespoke Parts
Forged bolts, blanks, headed specials and non-standard fasteners for demanding applications.
Size Ranges & Thread Forms
Capability is always subject to the product type, material, geometry, manufacturing route, thread form and complete project specification.
Coarse and fine
UNC / UNF
BSP / BSW / BSF
ACME / trapezoidal
and additional thread forms subject to specification
Coatings & Finishes
Common coatings and surface treatments supported through appropriate specialist routes:
Coating specifications are confirmed at enquiry stage. Certificates of conformity are supplied where required. Availability is subject to base material, product geometry, specification and project requirement.
Drawing / sample / specification
Manufactured to Drawing, Sample or Specification
Many SNB enquiries do not begin with a catalogue part number. They begin with a drawing, sample, failed component or written specification. Send us the information available and we will review the requirement, clarify technical points and define the route for manufacture, testing, coating and certification.
- 01A drawing or PDF / DWG / DXF / STEP / STP file
- 02A sample or failed component
- 03A written specification or standard reference
- 04A description with key dimensions and application information
From One-Off Specials to Repeat Production
SNB supports prototypes, one-off specials, small-to-medium batch requirements and repeat production subject to the product, material, process and project specification.