Fixaball UNC 1/4" Hex Bolt Set Screws High Tensile 8.8 Zinc BZP

For inch-based fastening applications, these Fixabal UNC 1/4" hexagon head bolts and set screws are supplied in high tensile grade 5 steel, comparable with metric 8.8, with a zinc/BZP/Cr3 finish. The thread specification is UNC 1/4" with 20 T.P.I. (threads per inch).

Lengths from 1/2" to 1" are fully threaded (FT) hexagon set screws, while lengths from 1 1/4" to 6" are partially threaded (PT) hexagon head bolts. Partially threaded versions have a plain shank, with thread length following the stated rule of thumb of diameter x 2.5.

Key features

• UNC 1/4" thread
• 20 T.P.I. (threads per inch)
• High tensile grade 5 steel, comparable with metric 8.8
• Zinc/BZP/Cr3 finish
• Hexagon head format
• Available as FT fully threaded set screws and PT partially threaded bolts

Available options

• 1/4"-20x1/2" (FT)
• 1/4"-20x5/8" (FT)
• 1/4"-20x3/4" (FT)
• 1/4"-20x1" (FT)
• 1/4"-20x1 1/4" (PT)
• 1/4"-20x1 1/2" (PT)
• 1/4"-20x1 3/4" (PT)
• 1/4"-20x2" (PT)
• 1/4"-20x2 1/4" (PT)
• 1/4"-20x2 1/2" (PT)
• 1/4"-20x2 3/4" (PT)
• 1/4"-20x3" (PT)
• 1/4"-20x3 1/4" (PT)
• 1/4"-20x3 1/2" (PT)
• 1/4"-20x3 3/4" (PT)
• 1/4"-20x4" (PT)
• 1/4"-20x5" (PT)
• 1/4"-20x6" (PT)

Specifications

• Thread form: Unified National Coarse (UNC)
• Thread angle: 60 degree flank angle
• Thread standard: Unified thread based on inch sizes
• External thread form: UN thread form with rounded root contour

Rackhams Reference : VB9G2S5GZ5