Excellent 4.7 out of 5.

1/2-20 UNF x 1.1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Thread Locking Marine Stainless Steel (A4) 1/2-20 UNF x 1.1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Thread Locking Marine Stainless Steel (A4) (pack of 1)

Accu Product Code (APC): SSC-1/2-20-1.1/2-A4-R360

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1/2-20 UNF x 1.1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Thread Locking Marine Stainless Steel (A4) 1/2-20 UNF x 1.1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Thread Locking Marine Stainless Steel (A4) (pack of 1)

Accu Product Code (APC): SSC-1/2-20-1.1/2-A4-R360

Key Features

AccuLock R360 is an adjustable and reusable low strength anti-vibration compound.
Re-useable up to 5 times in environments between -50°C to 75°C.
Free Technical Support From Our Engineers.

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1/2-20 UNF x 1.1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Thread Locking Marine Stainless Steel (A4) Description

The 1/2-20 UNF x 1.1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Thread Locking Marine Stainless Steel (A4) has the following features:

0.5 Inch Head Length (H)
0.245 Inch Hexagon Depth (P)
ASME B18.3 Manufacturing Standard
1.1/2 Inch Length (L)
Marine Stainless Steel (A4) Material
316 Marine Grade Stainless Steel (A4) Material Specification
Thread Locking - AccuLock 360 Finish
20 TPI Thread Pitch
1/2-20 UNF Thread Size
0.75 Inch Head Diameter (D)
0.5 Inch Body Diameter
+0/-0.025 Inch Head Diameter (D) Tolerance
+0/-0.008 Inch Head Length (H) Tolerance
3/8 Inch Socket Size (J)
+0/-0.0081 Inch Body Diameter Tolerance
Yes Full Thread

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):

5.022kg

Component History

Product First Available:

Sunday, June 28, 2015

Stock Last Updated:

08:09 AMThursday, May 15, 2025

Specification Last Updated:

Thursday, May 15, 2025

Barcodes

APC (Accu Product Code):

SSC-1/2-20-1.1/2-A4-R360

EAN13 (International Article No.):

5057195533863

ASIN (Amazon Stock Identification No.):

ASIN not defined.

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Full Thread

Material

Finish

Body Diameter

Head Diameter (D)

Head Length (H)

Hexagon Depth (P)

Manufacturing Standard

Material Specification

Socket Size (J)

Thread Pitch

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1/2-20 UNF x 1.1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Thread Locking Marine Stainless Steel (A4).

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1/2-20 UNF x 1.1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Thread Locking Marine Stainless Steel (A4) 1/2-20 UNF x 1.1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Thread Locking Marine Stainless Steel (A4) (pack of 1)

1/2-20 UNF x 1.1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Thread Locking Marine Stainless Steel (A4) 1/2-20 UNF x 1.1/2 Inch Full Thread Socket Cap Head Screws (ASME B18.3) - Thread Locking Marine Stainless Steel (A4) (pack of 1)

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