Dowel Pins are a hardened and precisely shaped pin used to keep machine components in accurate alignment they are also used as location guides for adjacent machine parts and to keep the two sections of a punch and die in alignment. For a tight fit your hole should be equal to or slightly smaller than the diameter shown. The length of the dowel pin is the overall measurement Length: Dowel Pins length is measured overall Material / Coating: Black or plain finish is unfinished (bare steel) has no actual protective coating. There may be an oil residue which provides some shelf life but no real corrosion protection when in use. The term “black” is an old industry term for plain. All material is advisory only and its use by anyone is entirely voluntary. Reliance on it for any purpose by anyone is at the sole risk of that person and Bolt and Nut Australia is not responsible for any loss claim or damages arising therefrom.
Dowel Pins are a hardened and precisely shaped pin used to keep machine components in accurate alignment they are also used as location guides for adjacent machine parts and to keep the two sections of a punch and die in alignment. For a tight fit your hole should be equal to or slightly smaller than the diameter shown. The length of the dowel pin is the overall measurement Length: Dowel Pins length is measured overall Material / Coating: Black or plain finish is unfinished (bare steel) has no actual protective coating. There may be an oil residue which provides some shelf life but no real corrosion protection when in use. The term “black” is an old industry term for plain. All material is advisory only and its use by anyone is entirely voluntary. Reliance on it for any purpose by anyone is at the sole risk of that person and Bolt and Nut Australia is not responsible for any loss claim or damages arising therefrom.
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The lowest price for M4 x 16mm Metric Dowel Pin Parallel Hardened Plain DIN 6325 right now is $6.00 at eBay.com.au.
The all-time low was $6.00 on 8 Feb 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 14 May 2026.
M4 x 16mm Metric Dowel Pin Parallel Hardened Plain DIN 6325
Dowel Pins are a hardened and precisely shaped pin used to keep machine components in accurate alignment they are also used as location guides for adjacent machine parts and to keep the two sections of a punch and die in alignment. For a tight fit your hole should be equal to or slightly smaller than the diameter shown. The length of the dowel pin is the overall measurement Length: Dowel Pins length is measured overall Material / Coating: Black or plain finish is unfinished (bare steel) has no actual protective coating. There may be an oil residue which provides some shelf life but no real corrosion protection when in use. The term “black” is an old industry term for plain. All material is advisory only and its use by anyone is entirely voluntary. Reliance on it for any purpose by anyone is at the sole risk of that person and Bolt and Nut Australia is not responsible for any loss claim or damages arising therefrom.
Dowel Pins are a hardened and precisely shaped pin used to keep machine components in accurate alignment they are also used as location guides for adjacent machine parts and to keep the two sections of a punch and die in alignment. For a tight fit your hole should be equal to or slightly smaller than the diameter shown. The length of the dowel pin is the overall measurement Length: Dowel Pins length is measured overall Material / Coating: Black or plain finish is unfinished (bare steel) has no actual protective coating. There may be an oil residue which provides some shelf life but no real corrosion protection when in use. The term “black” is an old industry term for plain. All material is advisory only and its use by anyone is entirely voluntary. Reliance on it for any purpose by anyone is at the sole risk of that person and Bolt and Nut Australia is not responsible for any loss claim or damages arising therefrom.
Last updated at 14/05/2026 20:26:00
Pack Of 1 Plain Black M4 X 16mm Metric Dowel Pin Parallel Hardened Din
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| Size | M4 (4mm) |
| System of Measurement | Metric |
| Finish | Plain |
| Rockwell Hardness | RC 60 Surface RC 50-58 Core |
| Brand | Brighton Best |
Pack Of 1 Plain Black M4 X 16mm Metric Dowel Pin Parallel Hardened Din
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| Size | M4 (4mm) |
| System of Measurement | Metric |
| Finish | Plain |
| Rockwell Hardness | RC 60 Surface RC 50-58 Core |
| Brand | Brighton Best |
