

1/4″ UNC x 1/2″ Hex Set Screw (Fully Threaded Bolt) BZP, ANSI B18.2.1
1/4 BZP hex set screw
Hex set screw with a bright zinc plating (BZP) offering mid-level corrosion resistance. Manufactured in grade 5 (8.8 high steel) with a thread extending up to the underside of the head. This ensures a secure and tight fixing every time without the worry of running out of thread.
Also known as a ‘fully threaded bolt’, the hexagon head also allows for higher torque to be applied with a range of conventional tools making them a versatile choice.
Versatile and when coupled with the 1/4 UNC nuts sees these hex head set screws widely used across many industries by DIY enthusiasts and professionals alike.
1/4 UNC hex set screw specification
- Thread diameter (TD): 1/4″ UNC
- Length (L): 1/2″
- Head height (HH): 0.18″ max
- Head width (HW): 0.43″ max
- Thread Pitch (TP): 20 (threads per inch)
- Material: Grade 5 (8.8 high tensile steel)
- Finish: Bright zinc plated (BZP)
- Conformity: ASME B18.2.1
Part of a comprehensive range of hex set screws available from Fusion Fixings. Quantities start for just one with bulk price discounts.
Original: $0.15
-73%$0.15
$0.04Product Information
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Description
1/4 BZP hex set screw
Hex set screw with a bright zinc plating (BZP) offering mid-level corrosion resistance. Manufactured in grade 5 (8.8 high steel) with a thread extending up to the underside of the head. This ensures a secure and tight fixing every time without the worry of running out of thread.
Also known as a ‘fully threaded bolt’, the hexagon head also allows for higher torque to be applied with a range of conventional tools making them a versatile choice.
Versatile and when coupled with the 1/4 UNC nuts sees these hex head set screws widely used across many industries by DIY enthusiasts and professionals alike.
1/4 UNC hex set screw specification
- Thread diameter (TD): 1/4″ UNC
- Length (L): 1/2″
- Head height (HH): 0.18″ max
- Head width (HW): 0.43″ max
- Thread Pitch (TP): 20 (threads per inch)
- Material: Grade 5 (8.8 high tensile steel)
- Finish: Bright zinc plated (BZP)
- Conformity: ASME B18.2.1
Part of a comprehensive range of hex set screws available from Fusion Fixings. Quantities start for just one with bulk price discounts.






















