1/4-20 UNC x 3.3/4 inch Imperial Plain Hex Bolts (ANSI B18.2.1) - Thread Locking Marine Stainless Steel (316)

SEB-1/4-20-3.3/4-A4-R360

Key Features

  • 1 Year Extended Warranty.
  • Free Technical Support From Our Engineers.
  • Custom Dimensions Available Through Our Custom Manufacture Service.
  • Thread Size (T): 1/4-20
  • Length (L): 3.3/4 inch
View Full Technical Specification.

Available In Other Materials & Finishes


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1/4-20 UNC x 3.3/4 inch Imperial Plain Hex Bolts (ANSI B18.2.1) - Thread Locking Marine Stainless Steel (316) Technical Specification

1/4-20 UNC x 3.3/4 inch Imperial Plain Hex Bolts (ANSI B18.2.1) - Thread Locking Marine Stainless Steel (316) Drawing
FinishThread Locking
General Tolerance+/-0.13mm
Hexagon Length (H)0.163 inch
Hexagon Width A/F (J)0.438 inch
Length (L)3.3/4 inch
Manufacturing StandardANSI B18.2.1
MaterialMarine Stainless Steel (316)
Metric or Imperial?Imperial
Pitch20 TPI
Screw Material SpecificationMarine Stainless Steel (316)
Thread Length (E)0.750-1 inch
Thread Size (T)1/4-20

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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1/4-20 UNC x 3.3/4 inch Imperial Plain Hex Bolts (ANSI B18.2.1) - Thread Locking Marine Stainless Steel (316) Description

The 1/4-20 UNC x 3.3/4 inch Imperial Plain Hex Bolts (ANSI B18.2.1) - Thread Locking Marine Stainless Steel (316) has the following features:

  • 1/4-20 Thread Size (T)
  • ANSI B18.2.1 Manufacturing Standard
  • 3.3/4 inch Length (L)
  • 0.750-1 inch Thread Length (E)
  • 0.163 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?
  • 0.438 inch Hexagon Width A/F (J)

Discover more about the Imperial Plain Hex Bolts range.

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Shipping Information

Shipping Destinations:Worldwide.
View delivery information.
Weight: 0.03kg.

Component History

Product First Available:Sunday, June 28, 2015
Stock Last Updated:02:37 am
Saturday, January 22, 2022
Specification Last Updated:Saturday, January 22, 2022

APC / Barcodes

APC (Accu Product Code):SEB-1/4-20-3.3/4-A4-R360
EAN13 (International Article No.):5057195555735
ASIN (Amazon Stock Identification No.):ASIN not defined.