1/2 UNF x 6 1/2 Inch Socket Cap Head Screw, Self Colour Grade 12.9 Steel (ASME B18.3)

1/2 socket cap head screw

Socket cap head screw designed with a compact cylindrical head and a deep internal socket. This allows application of the required torque for a secure assembly in construction, machinery, and automotive applications.

Designed for maximum performance in demanding environments with a unified national fine thread (UNF) and manufactured in self-colour grade 12.9 Steel.

Installed with an Allen wrench or hex key (Allen key) which sees them widely used across many industries and due to the compact cylindrical head, are often used where space is tight.

Versatile and used by DIY enthusiasts and professionals across many diverse sectors including automotive, aerospace, machinery, and construction.

1/2 UNF socket cap head screw specification:

• Diameter (TD): 1/2 inch
  
• Threads per inch (TPI): 20 (UNF)
  
• Length (L): 6 1/2 inch
  
• Thread length (TL): 1.50 inch min - 2.38 inch max
  
• Head width (HW): 0.750 inch max
  
• Head height (HH): 0.500 inch max
  
• Head type: Cap head
  
• Recess type (DT): Internal hex drive (3/8 inch)
  
• Material: Grade 12.9 steel
  
• Finish: Self colour
  
• Conformality: ASME B18.3

Part of an extensive range of UNF self colour cap head screws available from Fusion Fixings with bulk discounts.

Why Buy from Fusion Fixings?

With over 40 years of industry expertise, Fusion Fixings is your go-to supplier for top-quality fasteners and fixings. We’re a proud family-run business offering:

Competitive prices and bulk discounts with a growing range held in stock
Low minimum order quantities, starting from just one to as many as you need
Fast shipping and dependable service

Read Less