21# (lbs.) of 1/2"-13 x 2-1/2" Grade 5 Zinc Finish Hex Cap Screws, 130 pieces.

Fastenal Part Number 110120384

Product Description:
System of MeasurementInch
MaterialSteel
TypeHex Cap Screw
Dia/Thread Size1/2"-13
Length2-1/2"
Grade5
FinishZinc
Thread TypePartial Thread
ThreadCoarse
Wrench Size3/4"
Hex Head Cap Screws are designed for easy assembly into a tapped hole. Hex Cap Screws meet SAE specifications with a specially designed washer face under the head and a chamfered point. Grade 5 is the most common grade used in manufacturing assembly. Zinc plating, retards the corrosion rate in a normal atmosphere. Tensile Strength: 120,000 psi minimum.