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APPROVED SUPPLIER
Hex Head Cap Screw: Steel, Grade 8, Zinc Yellow, 1/2"-20 Thread Size, Fine, 5 1/2" Fastener Lg, 2A
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#917991-5Pkg Qty: 5
$22.10 pkg | $4.42 ea
In Stock
Shipping to 43085
Expected to arrive Tue. Apr 08.
Technical Specifications
Key Specifications
Basic Material
Steel
Item
Cap Screw
Brand
APPROVED SUPPLIER
Length Under Head
5-1/2 in.
Country of Origin
Varies (subject to change)
Mfr. Part Number
N04360.050.0550
Diameter/Thread Size
1/2"-20
Package Quantity
5
Fastener Diameter
1/2 in.
Rockwell Hardness
C33 to C39
Fastener Material Grade/Class
Grade 8
Shipping Weight
1.69 lb.
Fastener Tensile Strength
150000 psi
System of Measurement
Fractional
Fastener Thread Style
Partially Threaded
Temperature Range
-58 deg. F to 302 deg. F
Finish
Zinc Yellow
Thread Direction
Right Hand
Head Height
5/16 in.
Thread Length
1-1/4 in.
Head Type
Hex Head
Thread Type
Fine/ SAE/ UNF
Head Width
3/4 in.
General
Material
Carbon Steel
Proof Load
120,000 psi
Meets/Exceeds
ASME B18.2.1
Thread Fit
2A
Minimum Thread Length
1-1/4 in.
Product Description
General purpose threaded fastener is designed for insertion in pretapped holes or for use with nuts. Secure yet removable, this small but critical part helps keep your production running smoothly. Thick, hexagonal head with a washer face under the head provides an ample bearing surface for tightening with a wrench. Finding the right screw for your project is essential. Minimum thread length is calculated using the screw’s length. The formula is dia. X 2 + 1/4”.
Compliance & Restrictions

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
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Item Barcode
HHCS,1/2-20x5-1/2,Steel,GR 8,
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