All Categories - Nuts & Washers -- Nyloc Nuts Type P -- Full Nuts -- Thin Nuts / Lock Nuts -- Wing Nuts -- Hex Domed Cap Nuts -- Washers Form A -- Washers Form B -- Washers Form C -- Penny Washers -- Spring Washers - Socket Cap Bolts/Screws -- M3 -- M4 -- M5 -- M6 -- M8 -- M10 - Hex Set Bolts/Screws -- M3 -- M4 -- M5 -- M6 -- M8 -- M10 -- UNF 10-32 - Button Socket Head Bolts/Screws -- M3 -- M4 -- M5 -- M6 -- M8 -- M10 - Countersunk Socket (CSK) Bolts/Screws -- M3 -- M4 -- M5 -- M6 -- M8 -- M10 - Philips Pan Head Screws -- M3 -- M4 -- M5 -- M6 - Slotted Pan Head Screws -- M3 - Slotted Cheese Head Screws -- M3 -- M4 -- M5 -- M6 -- M8 - X Clamp Kits - Non-Stainless Steel Products - A2-70 Bulk Packs -- 100 pack Philips Pan Head Screws -- 100 pack Countersunk (CSK) Socket Screws -- 100 pack Button Socket Screws -- 100 pack Nuts & Washers -- 100 pack Hex Set Screws A4 -- 200 Pack Button Socket Flange Head - A4-70 Stainless Steel -- A4-70 Bulk Packs
Stainless Steel Grade Grade A2-70 Stainless Steel Grade A4-70 Stainless Steel Non Stainless Steel Products
The 'M' stands for metric. All our bolts are metric. Others bolts sizes are 'UNF' Unified Thread Standard, 'BSF' British Standard Fine, 'UNC' Etc.....
With the exception of Countersunk bolts (CSK) most bolt types are measured in millimetres (mm) as per the following diagram: -
Countersunk screws are measured like this: -