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Pins · Dowel Pins

Dowel Pins — ISO 8734 / DIN 6325

Dowel Pins to ISO 8734 / DIN 6325. Full dimensional table, materials, finishes and quotation. 18 sizes listed.

Technical Drawing

Select a size to view the dimensioned line drawing. Annotations update automatically from the selected dimensions.

Dowel Pins (ISO 8734 / DIN 6325) are a type of pins used across industrial assembly. Below is the complete size table together with material, standard and application guidance.

What Are Dowel Pins?

Dowel Pins are pins defined by ISO 8734 / DIN 6325. They are selected by thread size and the dimensional characteristics shown below, and are available in a range of materials and finishes to suit the application and environment.

Dimensions & Specifications (ISO 8734 / DIN 6325)

Nominal diameter (mm) Diameter tolerance Common length range (mm) Material Hardness Reference standard Notes
1.0 h6 4~10 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
1.2 h6 4~12 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
1.5 h6 4~16 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
2.0 h6 6~20 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
2.5 h6 6~24 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
3.0 h6 8~30 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
4.0 h6 8~40 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
5.0 h6 10~50 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
6.0 h6 12~60 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
8.0 h6 16~80 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
10.0 h6 20~100 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
12.0 h6 25~120 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
16.0 h6 30~160 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
20.0 h6 35~200 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
25.0 h6 45~200 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
30.0 h6 50~200 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
40.0 h6 60~200 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit
50.0 h6 80~200 Alloy steel Hardened ISO 8734 / DIN 6325 Both ends chamfered, precision fit

Materials & Finishes

Common materials include carbon steel (typically zinc plated or hot-dip galvanized), alloy steel in property classes 8.8, 10.9 and 12.9, and stainless steel A2 (304) or A4 (316) for corrosion resistance. Specify the material, property class and surface finish appropriate to your load and environment.

Typical Applications

Location, alignment and retention in jigs, fixtures, machinery and shafts.

Related Fasteners

Pricing

Dowel Pins are stocked and supplied to order. Pricing starts from approximately US$0.040 per piece for standard sizes in carbon steel; final pricing depends on size, material, finish and order quantity (MOQ applies). Request a quotation below for your exact specification.

Request a Quotation for Dowel Pins

Tell us the size, material, finish and quantity you need for Dowel Pins (ISO 8734 / DIN 6325) and our team will respond within one business day.

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Specification
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Frequently Asked Questions

What standard do Dowel Pins conform to?

Dowel Pins are manufactured to ISO 8734 / DIN 6325. The dimensional values on this page follow that standard.

What sizes are available for Dowel Pins?

The table on this page lists 18 sizes, ranging from 1.0 to 50.0. Other sizes can be quoted on request.

What materials and finishes are Dowel Pins available in?

Common options are carbon steel (zinc plated or hot-dip galvanized), alloy steel in property classes 8.8/10.9/12.9, and stainless steel A2 (304) or A4 (316). Specify material and finish to suit your load and environment.

How do I request a quote for Dowel Pins?

Use the fastener finder on this page to set the size, material, finish and quantity, then submit the request. A specialist from engineeringhardware.com will reply within one business day.