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Flange Nuts

Flange Nuts or Hexagonal Flange Nuts have an integrated washer on the base of the nut. This helps even out the fastening pressure across the surface of the receving material therefore causing less damage. Flange Nuts are available with a plain flat underside of the flange or with a serrated underside for more grip upon tightening. The flange on these nuts also helps guard against loosening through vibration so nuts are less likely to work free. Available in A2, A4 and BZP Steel with some variants also boasting a Nyloc insert for locking purposes.

Material Key
A2	A2 Stainless Steel - also known as grade 304 or 18/8. A general purpose grade of stainless steel.
A4	A4 Stainless Steel - also known as grade 316 or 18/8/3. A higher corrosion resistant, marine grade of stainless steel.
BZP	Bright Zinc Plated (BZP) Steel - non-stainless standard steel grade offering a basic level of corrosion resistance.
BZP-8	Bright Zinc Plated (BZP) high tensile steel class 8 - the general purpose non-stainless grade for nuts, offering a basic level of corrosion resistance.
Nylon	Nylon (polyamide) - a tough lightweight plastic, tough at low temperaures, with excellent resistance to chemicals and features a favourable sliding friction behaviour.

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Hex Serrated Flange Nuts EN 1661 (DIN 6923)

An hexagon nut with incorporated flange, to DIN 6923. The flange offers protection for the bolted component where the driving tool may otherwise scratch it's surface. The flange also lessens the need to use a washer. This particular version has serrations on the base. A non-serrated variant is also available.

BZP-8

Hex Plain Flange Nuts

An hexagon nut with incorporated flange, to DIN 6923. The flange offers protection for the bolted component where the driving tool may otherwise scratch it's surface. The flange also lessens the need to use a washer. This particular version is non-serrated on the base. A serrated variant is also available.

BZP-8

Nylon

UNC Hex Serrated Flange Nuts

An hexagon nut with incorporated flange. The flange offers protection for the bolted component where the driving tool may otherwise scratch it's surface. The flange also lessens the need to use a washer. This particular version has serrations on the base.

BZP

5/16

UNF Hex Serrated Flange Nuts

BZP

Hex Serrated Flange Nuts with Nylon Insert

A prevailing torque type hexagon nut incorporating a flange and nylon insert to help prevent loosening when fitted. This particular version has serrations on the base of the flange. A non-serrated version is also available. Manufactured to DIN 6926.

Hex Plain (Non-Serrated) Flange Nuts with Nylon Insert

A prevailing torque type hexagon nut incorporating a flange and nylon insert to help prevent loosening when fitted. This particular version is non-serrated on the base of the flange. A serrated version is also available. Manufactured to DIN 6926.

BZP-8