1/2-20 UNF x 4.1/2 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - Thread Locking Marine Stainless Steel (A4)

SEB-1/2-20-4.1/2-A4-R360

Key Features

  • Thread Size (T): 1/2-20
  • Length (L): 4.1/2 inch
  • Hexagon Width A/F (J): 0.75 inch
  • Material: Marine Stainless Steel (A4)
  • Finish: Thread Locking
View Full Technical Specification.

Available In Other Materials & Finishes


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1/2-20 UNF x 4.1/2 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - Thread Locking Marine Stainless Steel (A4) Technical Specification

1/2-20 UNF x 4.1/2 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - Thread Locking Marine Stainless Steel (A4) Drawing
FinishThread Locking
General Tolerance+/-0.13mm
Hexagon Length (H)0.323 inch
Hexagon Width A/F (J)0.75 inch
Length (L)4.1/2 inch
Manufacturing StandardANSI B18.2.1
MaterialMarine Stainless Steel (A4)
Metric or Imperial?Imperial
Pitch20 TPI
Screw Material SpecificationMarine Stainless Steel (A4)
Thread Length (E)1.250-1.500 inch
Thread Size (T)1/2-20

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 4.1/2 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - Thread Locking Marine Stainless Steel (A4) Description

The 1/2-20 UNF x 4.1/2 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - Thread Locking Marine Stainless Steel (A4) has the following features:

  • 1/2-20 Thread Size (T)
  • ANSI B18.2.1 Manufacturing Standard
  • 4.1/2 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
  • Marine Stainless Steel (A4) Screw Material Specification
  • Thread Locking 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

Imperial Plain Hexagon Bolts are functionally identical to Accu's standard range of Hexagon Bolts. This type of bolt features unthreaded portion below the head, which serves as an unthreaded dowel to strengthen the overall construction of the bolt. The unthreaded section of a Plain Hexagon Bolt makes the bolt more resistant to shear forces.

Sizing

Plain Hexagon Bolts are available in imperial thread sizes of between 1/4 inch and 1 inch. Lengths range from 1 inch to 20 inch.


Shipping Information

Shipping Destinations:Worldwide.
View delivery information.
Weight: 0.13kg.

Component History

Product First Available:Sunday, June 28, 2015
Stock Last Updated:11:22 am
Sunday, November 28, 2021
Specification Last Updated:Sunday, November 28, 2021

APC / Barcodes

APC (Accu Product Code):SEB-1/2-20-4.1/2-A4-R360
EAN13 (International Article No.):5057195557166
ASIN (Amazon Stock Identification No.):ASIN not defined.