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Go to old websiteLoose bolts, nuts and washers M16 in acid-resistant stainless steel A4 or galvanised (fzv) – choose the right part and length for each flanged joint.
Loose bolts, nuts and washers in size M16 are used when a flanged joint is to be assembled or supplemented with individual parts instead of a complete bolt set. M16 is the bolt size that recurs in flanges PN10 and PN16 in sizes DN40–DN125 and in PN25 up to DN80, making it one of the most common sizes in smaller pressurised systems. The bolts are available in lengths from 65 to 120 mm, so the length can be matched to the combined thickness of the flanges and gasket. The parts are supplied in acid-resistant stainless steel A4 or galvanised (fzv) finish, depending on the environment's corrosion protection requirements. The nuts in acid-resistant stainless steel are treated against seizing, which makes tightening easier. Threaded rod M16 is also available in acid-resistant stainless steel.
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| Component | Material | Standard |
|---|---|---|
| Bolt | Acid-resistant stainless steel A4 | DIN 931 |
| Bolt | Galvanised fzv 8.8 | ISO 4014 |
| Nut | Acid-resistant stainless steel A4, treated against seizing with Gleitmo 627 | DIN 934 |
| Nut | Galvanised fzv 8 | ISO 4032 |
| Washer | Acid-resistant stainless steel A4 | DIN 125 |
| Washer | Galvanised fzv HV200 | ISO 7089 |
| Threaded rod | Acid-resistant stainless steel A4 | – |
13 variants
| Item no. | Description | Info 1 | Length | Quote |
|---|---|---|---|---|
| M16BUA4-065 | M16 Bolt, Acid-resistant Stainless A4, L=65 | DIN 931 A4 M16x65 | 65 mm | |
| M16BUA4-070 | M16 Bolt, Acid-resistant Stainless A4, L=70 | DIN 931 A4 M16x70 | 70 mm | |
| M16BUA4-080 | M16 Bolt, Acid-resistant Stainless A4, L=80 | DIN 931 A4 M16x80 | 80 mm | |
| M16BUA4-090 | M16 Bolt, Acid-resistant Stainless A4, L=90 | DIN 931 A4 M16x90 | 90 mm | |
| M16BUA4-120 | M16 Bolt, Acid-resistant Stainless A4, L=120 | DIN 931 A4 M16x120 | 120 mm | |
| M16MUA4 | M16 Nut, treated against seizing | DIN 934 A4 M16 Gleitmo 627 | — | |
| M16BRA4 | M16 Washer, Acid-resistant Stainless A4 | DIN 125 A4 17x30x3 | — | |
| M16BUFZ-065 | M16 Bolt, Galvanised, L=65 | ISO 4014 8,8 M16x65 fzv | — | |
| M16BUFZ-070 | M16 Bolt, Galvanised, L=70 | ISO 4014 8,8 M16x70 fzv | — | |
| M16BUFZ-080 | M16 Bolt, Galvanised, L=80 | ISO 4014 8,8 M16x80 fzv | — | |
| M16BUFZ-090 | M16 Bolt, Galvanised, L=90 | ISO 4014 8,8 M16x90 fzv | — | |
| M16MUFZ | M16 Nut, Galvanised | ISO 4032 8 M16 fzv | — | |
| M16BRFZ | M16 Washer, Galvanised | ISO 7089 17x30x3 fzv HV200 | — |