Namrick Nut & Bolt Store

The Nut & Bolt Store

product sections

B.S.F Bolts & Nuts
- B.S.F. HT Hex Head Bolts
- B.S.F. HT Set Screws
- B.S.F. Nuts
U.N.C Bolts & Nuts
- U.N.C. Hex Head Set Screw
- U.N.C. Hex Head Bolts
- U.N.C. Nuts
U.N.F Bolts & Nuts
- U.N.F. HT Hex Head Bolts
- U.N.F. HT Hex Set Screws
- U.N.F. Nuts
B.S.W Bolts & Nuts
- B.S.W. HT Bolts
- B.S.W. HT Set Screws
- B.S.W. Nuts
Metric HT Bolts & Nuts
- Metric HT Hex Bolts M5 - M12
- Metric HT Hex Bolts M14 - M20
- Metric HT Set Screw M5 - M12
- Metric HT Set Screw M14 - M20
- Metric Nuts
Metric Fine HT Bolts & Nuts
- Metric Fine HT Head Bolts
- Metric Fine HT Set Screw
- Metric Fine Nuts and Nylocs
Metric HT Socket Screws
- Metric Socket Cap Head Screw (Grade 12.9 Zinc Plated)
- Metric Socket Cap Head Screw (Grade 12.9 Self Colour)
- Metric Socket Button Head Screws (Grade 10.9 Zinc Plated)
- Metric Socket Button Head Screws (Grade 10.9 Self Colour)
- Metric Socket Countersunk Head Screws (Grade 10.9 Zinc Plated)
- Metric Socket Countersunk Head Screws (Grade 10.9 Self Colour)
- Metric Grub Screws (Socket Set Screw) (Grade 12.9 Self Colour)
Imperial HT Socket Screws
- B.S.F Socket Cap Head Screws (High Tensile)
- B.S.W Socket Cap Head Screws (High Tensile)
- U.N.C. Socket Cap Head Screws (High Tensile)
- U.N.F. Socket Cap Head Screws (High Tensile)
Metric Machine Screws
- Metric Countersunk Slotted Screws
- Metric Countersunk Pozi-drive Screws
- Metric Pan Slotted Screws
- Metric Pan Pozi-drive Screws
- Zinc Plated Nuts & Washers - M3 to M6
- M8 & M10 Csk Slotted - Zinc Plated Steel Screws
Imperial Machine Screws
- BSF Countersunk Machine Screws - Zinc Plated
- B.A. Machine Screws & Nuts - Zinc Plated
- UNF Countersunk & Pan Head Machine Screws - Zinc Plated
- BSW Countersunk & Round Head Machine Screws - Zinc Plated
- UNC Countersunk & Pan Head Machine Screws - Zinc Plated
Metric Coach Bolts & Coach Screws
- Metric Coach Bolts & Nuts
- Metric Coach Screws
Metric Rivet Nuts & Hank Bushes
- Stainless Steel Thinsheet Rivet Nuts
- Aluminium Countersunk Head Rivet Nuts
- Aluminium Flat Head Rivet Nuts
- Steel Flat Head Rivet Nuts (BZP)
- Steel Countersunk Head Rivet Nuts (BZP)
- Hank Bushes (BZP)
Miscellaneous Nuts (Metric & Imperial)
- Cage Nuts
- Tee Nuts
- BSC (Cycle) Threaded Nuts
- Wing Nuts (Bright Zinc Plated)
- Cross Dowels
- Metric Stud Connectors
Washers
- Metric Plain Washers
- Metric Spring Washers
- Metric Shakeproof Washers
- Imperial Plain Washers
- Imperial Spring Washers
- Imperial Shakeproof Washers
- Washer Mixed Packs (Metric and Imperial)
- Penny Washers
- Red Fibre And Copper Washers
- Floorboard Washers
Mixed Packs
Metric Stainless Steel (Grade A2 and A4)
- Metric Stainless Steel Bolts (A4)
- Metric Stainless Steel Set Screws (A4)
- Metric Stainless Nuts (A4)
- Metric Socket Cap Head Screw (A2)
- Metric Socket Button Head Screws (A2)
- Metric Socket Countersunk Head Screws (A2)
- Metric Grub Screws (Socket Set Screw) (A2)
- Metric Stainless Countersunk Machine Screws (A2)
- Metric Stainless Pan Head Machine Screws (A2)
- Metric Stainless Steel Plain Washers (A4)
- Metric Stainless Steel Spring and Shakeproof Washers (A4 & A2)
- Metric Stainless Steel Penny Washers (A2)
Imperial Stainless Steel (Grade A2)
- U.N.F Nuts & Washers
- U.N.F Stainless Steel Bolts
- U.N.C Stainless Socket Caps
- U.N.F Stainless Socket Caps
Odds And Ends
- Black Nylon Cable Ties
- Allen Keys
- Loctite Threadlocker
- Number Plate Screws
- Grease Nipples
- Manifold Studs
- Circlips
- Split Pins (Bright Zinc Plated)
- Aluminium Pop Rivets
- Assorted Springs
- Steel Studding Imperial
- Steel Studding B.A.
- Steel Studding Metric
- Plastic Nut Covers
- Square Key Steel
- O-Rings
- Molyslip Grease and Lubricants
- Cutting Discs
- Latex Gloves
- Black Rubber Matting
- Adhesives
- Silicone Rubber Sealant/ Instant Gasket
- Duracell Batteries
Spanners & Sockets
- Bondhus Gorilla Grip Tools
- Elora Whitworth / B.S.F Combination Spanners & Sockets
- Elora B.A. Combination Spanners
- Elora A.F. Combination Spanners & Loose Sockets
- Elora Metric Combination Spanners & Loose Sockets
- Elora 1/2" Drive Ratchet & Extensions
- Draper 3/8" Drive Sockets Tools
- Draper 3/8" Drive Sockets
Clips
- Hose Clips
- Mini Hose Clips Zinc Plated
- P Clips
Drills and Stud Extractors
- Imperial High Speed Steel Drills
- Metric High Speed Steel Drills
- High Speed Drill Sets
- High Speed Steel Reduced Shank Drill Bits
- Cobalt Drill Bits
- Tungsten Tipped Drill Bits
- Stubs HSS Drill Bits
- Broken Bolt / Stud Removal Tool
- Power Stud Extractor (Drills And Removes)
Self Tapping Screws & Cups
- Hex Head Self Tapper
- Pozidrive Zinc Plated Self Tappers
- Slotted Zinc Plated Self Tappers
- Pozidrive Stainless Steel Self Tappers
- Slotted Stainless Steel Self Tappers
- Black Plated Self Tappers Raised Countersunk
- Cup Washers
- U Nuts
- Assorted Packs Of Self Tapping Screws
- Screwdrivers
Woodscrews
- Countersunk Pozi Twin Thread Woodscrews
- Classic Gold Multi-Purpose Woodscrews
Chrome Plated Bolts, Nuts,Washers & Screws
- Chrome Plated Bolts, Nuts And Washers
- 2BA and No.10 UNF Chrome Machine Screws, Nuts and Washers
- Chrome Plated Raised Csk Self Tapping Screws & Cups
- Chrome Plated Bumper Bolts
Electrical
- Crimp Connections
- Cable and Terminals
- Electrical Accessories
Recoil Thread Repair Kits & Inserts
- Recoil Metric Thread Repair Kits and Inserts
- Recoil Imperial Thread Repair Kits
- Recoil Imperial Thread Repair Inserts
- Recoil Spark Plug Port Repair Kit
Braking System
- Brake Pipe Unions Brass
- Silicone Brake Fluid Approved To FMVSS 116 Dot 5
- Copper Pipes
- Brake Pipe Joiners Steel (Zinc Plated) And Brass
- Push In Pipe Clips
- Brake Pipe Flaring Tool
- Copper Pipe Compression Joints
- Bleed Nipples Brass
Taps and Dies
- Die Stocks and Tap Wrenches
- U.N.F. and U.N.C. Taps, Dies and Tapping Drills
- B.S.F. and B.S.W. Taps, Dies and Tapping Drills
- British Cycle Taps, Dies and Tapping Drills
- B.A. Carbon Steel Taps, Dies and Tapping Drills
- Metric Carbon Steel Taps, Dies and Tapping Drills
- Metric Fine Carbon Steel Taps,Dies and Tapping Drills
- Metric High Speed Steel Taps, Dies and Tapping Drills
- Boxed Sets, Chart & Thread Gauge
Trim Fasteners
- Eyelet Kits
- Turnbuckle Fasteners (Nickel Plated)
- Lift The Dot Fasteners (Nickel Plated)
- Carpet Fasteners
- Durable Dot Fasteners
- Tenax Fasteners (Nickel Plated)

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Home / Technical Information

Bolt Specifications

Dimensions:

The diameter specifies the shank and threaded outside side i.e. 1/4" BSF bolt is 1/4" dia. The length of the bolt is always measured from beneath the head.

Bolt Dimensions

Thread lengths vary over the size ranges but are generally 3/4" to 1".
UNF bolts are often referred to by their spanner size rather than diameter i.e. 1/2" AF (across flats) - 5/16" dia, Please only order by specifying thread diameter.

Imperial Spanner Sizes and Threads

Spanner Sizes

Conversion Charts

Others

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