4mm x 25mm 1/3 Length Centre Grooved Pins (DIN 1475) - A1 Stainless Steel


Key Features

  • Diameter (D): 4mm
  • Length (L): 25mm
  • Chamfer Length (C): 1/3
  • Material: Stainless Steel (A1)
  • Finish: Natural
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4mm x 25mm 1/3 Length Centre Grooved Pins (DIN 1475) - A1 Stainless Steel Technical Specification

4mm x 25mm 1/3 Length Centre Grooved Pins (DIN 1475) - A1 Stainless Steel Drawing
Chamfer Length (C)1/3
Diameter (d)4mm
Groove Angle ®120 Degrees
Length (L)25mm
Manufacturing StandardDIN 1475
MaterialStainless Steel (A1)
Material SpecificationStainless Steel (A1)
Metric or ImperialMetric

Product Certifications

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

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4mm x 25mm 1/3 Length Centre Grooved Pins (DIN 1475) - A1 Stainless Steel Description

The 4mm x 25mm 1/3 Length Centre Grooved Pins (DIN 1475) - A1 Stainless Steel has the following features:

  • DIN 1475 Manufacturing Standard
  • 25mm Length (L)
  • Stainless Steel (A1) Material
  • Stainless Steel (A1) Material Specification
  • 1/3 Chamfer Length (C)
  • Natural Finish
  • 4mm Diameter (d)
  • Metric Metric or Imperial
  • 120 Degrees Groove Angle ®

Discover more about the Third Length Centre Groove Pins range

Accu’s Third Length Centre Grooved Pins are a type of parallel pin designed for use in a wide range of industries, typically used in fastening or locating applications, for example as shafts for pulleys.

The centre of the pin is fitted with 3 equi-distant grooves, cut to 120° across one third of the overall length, with chamfered edges at either end. During installation into a pre-drilled hole, compression on the central grooved portion, which is slightly larger in diameter than the rest of the pin, causes a radial holding force which helps to secure the pin in place.

Also listed in our standard range are Full Length Taper Grooved Pins, which feature a swaged groove running the full length of the pin, and Half Length Taper Grooved Pins, with a groove which runs half the length of the pin.


Third Length Groove Pins are manufactured from A1 (303) Stainless Steel and are available in either a natural finish or with a chemical matte black finish.


Produced in accordance with the DIN 1475 manufacturing standard, ⅓ Length Centre Groove Pins can be purchased from Accu in diameters ranging from 1.5mm to 8mm and in lengths from 8mm to 90mm.

Shipping Information

Shipping Destinations:Worldwide.
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Weight Band (100 items):Over 5kg. Add to cart to calculate exact weights.

Component History

Product First Available:Tuesday, October 26, 2021
Stock Last Updated:04:14 am
Wednesday, December 8, 2021
Specification Last Updated:Wednesday, December 8, 2021

APC / Barcodes

APC (Accu Product Code):HTGP-4-25-A1
EAN13 (International Article No.):5054328497900
ASIN (Amazon Stock Identification No.):ASIN not defined.