Fixaball UNF 1/2" Hex Bolt Set Screws High Tensile 8.8 Zinc BZP

For fine-thread fastening applications, these Fixaball UNF 1/2" hexagon head bolts and set screws are produced to DIN 931 and finished in zinc/BZP/Cr3. The thread specification is UNF 1/2" with 20 T.P.I, and the range includes both fully threaded set screws and partially threaded bolts.

Made from high tensile 5 grade steel (8.8), this selection covers a wide span of lengths for different assembly requirements. Fully threaded options are available from 3/4" to 1 3/4", while longer sizes from 2" to 6" are supplied as partially threaded bolts.

Available options

• 1/2"-20x3/4" (FT)
• 1/2"-20x7/8" (FT)
• 1/2"-20x1" (FT)
• 1/2"-20x1 1/4" (FT)
• 1/2"-20x1 1/2" (FT)
• 1/2"-20x1 3/4" (FT)
• 1/2"-20x2" (PT)
• 1/2"-20x2 1/4" (PT)
• 1/2"-20x2 1/2" (PT)
• 1/2"-20x2 3/4" (PT)
• 1/2"-20x3" (PT)
• 1/2"-20x3 1/4" (PT)
• 1/2"-20x3 1/2" (PT)
• 1/2"-20x3 3/4" (PT)
• 1/2"-20x4" (PT)
• 1/2"-20x4 1/2" (PT)
• 1/2"-20x5" (PT)
• 1/2"-20x5 1/2" (PT)
• 1/2"-20x6" (PT)

Key features

• UNF 1/2" thread with 20 T.P.I
• Hexagon head pattern
• High tensile 5 grade steel (8.8)
• Zinc/BZP/Cr3 finish
• DIN 931
• Fully threaded set screws and partially threaded bolts available

Specifications

• UNC and UNF high tensile standard is marked with a "5"
• Unified National Fine (UNF) thread form with a 60 degree flank angle, rounded roots and flat crests
• For a given diameter, UNF has a smaller thread pitch than an equivalent diameter UNC thread

Sizing

• 3/4"
• 7/8"
• 1"
• 1 1/4"
• 1 1/2"
• 1 3/4"
• 2"
• 2 1/4"
• 2 1/2"
• 2 3/4"
• 3"
• 3 1/4"
• 3 1/2"
• 3 3/4"
• 4"
• 4 1/2"
• 5"
• 5 1/2"
• 6"

Rackhams Reference : GMMP3HPRV2