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5/16-18 UNC x 1.3/4 Inch Socket Countersunk Screws (ASME B18.3) - Marine Stainless Steel (A4) 5/16-18 UNC x 1.3/4 Inch Socket Countersunk Screws (ASME B18.3) - Marine Stainless Steel (A4) (pack of 1000)

Accu Product Code (APC): SSK-5/16-18-1.3/4-A4

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5/16-18 UNC x 1.3/4 Inch Socket Countersunk Screws (ASME B18.3) - Marine Stainless Steel (A4) 5/16-18 UNC x 1.3/4 Inch Socket Countersunk Screws (ASME B18.3) - Marine Stainless Steel (A4) (pack of 1000)

Accu Product Code (APC): SSK-5/16-18-1.3/4-A4

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5/16-18 UNC x 1.3/4 Inch Socket Countersunk Screws (ASME B18.3) - Marine Stainless Steel (A4) Description

The 5/16-18 UNC x 1.3/4 Inch Socket Countersunk Screws (ASME B18.3) - Marine Stainless Steel (A4) has the following features:

0.135 Inch Hexagon Depth (P)
ASME B18.3 Manufacturing Standard
1.3/4 Inch Overall Length (L)
Marine Stainless Steel (A4) Material
316 Marine Grade Stainless Steel (A4) Material Specification
Natural Finish
18 TPI Thread Pitch
Imperial Metric or Imperial?
5/16-18 UNC Thread Size
0.656 Inch Head Diameter (D)
0.198 Inch Countersunk Length (H)
0.3125 Inch Body Diameter
+0/-0.056 Inch Head Diameter (D) Tolerance
82 Degrees Countersunk Angle (CA)
+/-2 Degrees Countersunk Angle (CA) Tolerance
3/16 Inch Socket Size (J)
+0/-0.0072 Inch Body Diameter Tolerace

Discover more about the Imperial Socket Countersunk Screws range.

Imperial Socket Countersunk Screws are designed for use alongside countersunk holes. The addition of a standard socket drive means that this type of screw can be installed using an Allen Key or Hexagon Drive Bit.

Sizing

Socket Countersunk Screws are manufactured in imperial thread sizes ranging from No. 0 up to 7/8 inch. lengths are available from 1/8 inch to 10 inch.

Thread-Locking and Finish Options.

Secure your Imperial Socket Countersunk 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:

Worldwide view delivery information

Weight (100 items):

1.62kg

Component History

Product First Available:

Sunday, June 28, 2015

Stock Last Updated:

06:17 PMFriday, May 23, 2025

Specification Last Updated:

Friday, May 23, 2025

Barcodes

APC (Accu Product Code):

SSK-5/16-18-1.3/4-A4

EAN13 (International Article No.):

5054328147973

ASIN (Amazon Stock Identification No.):

ASIN not defined.

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Thread Size

Overall Length (L)

Socket Size (J)

Material

Finish

Body Diameter

Body Diameter Tolerace

Countersunk Angle (CA)

Countersunk Length (H)

Head Diameter (D)

Hexagon Depth (P)

Manufacturing Standard

Material Specification

Metric or Imperial?

Thread Pitch

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5/16-18 UNC x 1.3/4 Inch Socket Countersunk Screws (ASME B18.3) - Marine Stainless Steel (A4).

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5/16-18 UNC x 1.3/4 Inch Socket Countersunk Screws (ASME B18.3) - Marine Stainless Steel (A4) 5/16-18 UNC x 1.3/4 Inch Socket Countersunk Screws (ASME B18.3) - Marine Stainless Steel (A4) (pack of 1000)

5/16-18 UNC x 1.3/4 Inch Socket Countersunk Screws (ASME B18.3) - Marine Stainless Steel (A4) 5/16-18 UNC x 1.3/4 Inch Socket Countersunk Screws (ASME B18.3) - Marine Stainless Steel (A4) (pack of 1000)

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