4-40 UNC x 1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Stainless Steel (A2) 4-40 UNC x 1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Stainless Steel (A2) (pack of 1)

Accu Product Code (APC): SSC-4-40-1/2-A2

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4-40 UNC x 1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Stainless Steel (A2) 4-40 UNC x 1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Stainless Steel (A2) (pack of 1)

Name: 4-40 UNC x 1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Stainless Steel (A2)
Brand: AccuScrews
SKU: SSC-4-40-1/2-A2
Availability: InStock
Rating: 3.7 (3 reviews)

Accu Product Code (APC): SSC-4-40-1/2-A2

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Accu Product Code (APC): SSC-4-40-1/2-A2
Thread Size: 4-40 UNC
Length (L): 1/2 inch Tolerance: +0/-0.03 inch
Full Thread: Yes
Material: Stainless Steel - (A2)
Finish: Natural
Body Diameter: 0.112 inch Tolerance: +0/-0.0045 inch
Head Diameter (D): 0.183 inch Tolerance: +0/-0.007 inch
Head Height (H): 0.112 inch Tolerance: +0/-0.004 inch
Hexagon Depth (P): 0.051 inch
Manufacturing Standard: ASME B18.3
Material Family: Stainless Steel
Socket Size (J): 3/32 inch
Thread Pitch: 40 TPI
Weight per 100 Units: 73 g

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4-40 UNC x 1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Stainless Steel (A2) Description

The 4-40 UNC x 1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Stainless Steel (A2) has the following features:

Body Diameter: 0.112 inch
Body Diameter Tolerance: +0/-0.0045 inch
Natural Finish
Full Thread
Head Diameter (D): 0.183 inch
Head Diameter (D) Tolerance: +0/-0.007 inch
Head Height (H): 0.112 inch
Head Height (H) Tolerance: +0/-0.004 inch
Hexagon Depth (P): 0.051 inch
Length (L): 1/2 inch
Length (L) Tolerance: +0/-0.03 inch
Manufacturing Standard: ASME B18.3
Stainless Steel - (A2)
Stainless Steel Material Family
Socket Size (J): 3/32 inch
Thread Pitch: 40 TPI
Thread Size: 4-40 UNC

Discover more about the Imperial Socket Cap Head Screws range.

Imperial Socket Cap Head Screws feature a large, cylindrical head and hexagonal socket drive, which makes them suitable for use with Accu's range of Allen Keys or Socket Drive Bits. Imperial Socket Cap Head Screws are the imperial equivalent to Accu's standard range of Metric Cap Head Screws.

Imperial Cap Screw Sizes

This range of Cap Screws is available in imperial thread sizes of between No. 0 and No. 12. Lengths range from 3/32 inch to 12 inch, with partially threaded and fully threaded screws available depending on screw size.

Cap Screw Materials

Our range of Imperial Socket Cap Head Screws is available in A2 and Marine Grades of Stainless Steel as standard. Other material options include Bumax Stainless Steel and PEEK.

Secure your Imperial Socket Cap Head Screws against vibration-induced loosening with Accu’s pre-applied thread-locking solutions. From essential AccuLock Threadlocker to the rugged Anu-Lok 180 and high-performance Precote 80, we’ve got you covered. Elevate aesthetics with AccuBlack chemical blackening, reducing glare and adding a sleek, refined finish.

Shipping Information

Shipping Destinations:

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Weight (100 items):

0.073kg

Component History

Product First Available:

Sunday, June 28, 2015

Stock Last Updated:

10:11 PMWednesday, June 3, 2026

Specification Last Updated:

Wednesday, June 3, 2026

Barcodes

APC (Accu Product Code):

SSC-4-40-1/2-A2

EAN13 (International Article No.):

5054328133570

ASIN (Amazon Stock Identification No.):

ASIN not defined.

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Head Height (H)

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4-40 UNC x 1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Stainless Steel (A2) 4-40 UNC x 1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Stainless Steel (A2) (pack of 1)

4-40 UNC x 1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Stainless Steel (A2) 4-40 UNC x 1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Stainless Steel (A2) (pack of 1)

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