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TPHB.500X20 - $15 (Ronkonkoma)
856 Johnson Ave
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Size: 1/2" – 20 × 2-3/4"
Diameter: 1/2 inch
Thread: 20 TPI (UNF – Unified National Fine)
Length: 2-3/4 inches (under-head length)
Material: Medium carbon alloy steel, quenched and tempered
Strength Grade: SAE Grade 8 (equivalent to ASTM A354 BD or metric 10.9–12.9)