1/2-20 UNF x 3.3/4 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - Black Marine Stainless Steel (A4)

SEB-1/2-20-3.3/4-A4-BL

Key Features

  • Thread Size (T): 1/2-20
  • Length (L): 3.3/4 inch
  • Hexagon Width A/F (J): 0.75 inch
  • Material: Marine Stainless Steel (A4)
  • Finish: Matte Black
View Full Technical Specification.

Available In Other Materials & Finishes


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1/2-20 UNF x 3.3/4 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - Black Marine Stainless Steel (A4) Technical Specification

1/2-20 UNF x 3.3/4 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - Black Marine Stainless Steel (A4) Drawing
Allgemeine Toleranz+/-0.13mm
FertigMatte Black
FertigungsstandardANSI B18.2.1
Gewindegröße (T)1/2-20
Gewindelänge (E)1.250-1.500 inch
Hexagon Länge (H)0.323 inch
Hexagon Width A/F (J)0.75 inch
Länge (L)3.3/4 inch
Metric oder Imperial Management?Imperial
Schraube MaterialspezifikationStainless Steel (A2)
StoffMarine Stainless Steel (A4)
Tonhöhe20 TPI

Product Certifications

Certificate of Conformity Included
Certificate of Conformity Included
RoHS Certified
RoHS Certified
REACH Certified
REACH Certified
ISO9001
ISO9001
Quality Approved

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1/2-20 UNF x 3.3/4 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - Black Marine Stainless Steel (A4) Description

The 1/2-20 UNF x 3.3/4 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - Black Marine Stainless Steel (A4) has the following features:

  • 1/2-20 Thread Size (T)
  • ANSI B18.2.1 Manufacturing Standard
  • 3.3/4 inch Length (L)
  • 1.250-1.500 inch Thread Length (E)
  • 0.323 inch Hexagon Length (H)
  • Marine Stainless Steel (A4) Material
  • 20 TPI Pitch
  • Stainless Steel (A2) Screw Material Specification
  • Matte Black Finish
  • +/-0.13mm General Tolerance
  • Imperial Metric or Imperial?
  • 0.75 inch Hexagon Width A/F (J)

Discover more about the Imperial Plain Hexagon Bolts range

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Shipping Information

Shipping Destinations:Worldwide.
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Weight: 0.11kg.

Component History

Product First Available:Sunday, June 28, 2015
Stock Last Updated:12:43 pm
Sunday, November 28, 2021
Specification Last Updated:Monday, November 22, 2021

APC / Barcodes

APC (Accu Product Code):SEB-1/2-20-3.3/4-A4-BL
EAN13 (International Article No.):5054328994959
ASIN (Amazon Stock Identification No.):ASIN not defined.