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Nyloc Nuts

NyLoc Nuts or Nylon Insert Nuts are a type of Lock Nut containing a nylon collar which elastically deforms when a threaded fastener is inserted, causing a frictional locking action, and are very popular. Referred to worldwide as Nyloc Nuts we have several variants in Metric and Imperial sizes, with A2 and A4 grades of stainless steel as well as low carbon, high tensile steels. Nyloc nuts can be re-used but care must be taken, if perhaps where the failure of a nut would be critical, its locking operation must be assured before use.

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.
BRASS	Brass - offers an attractive, corrosion resistant finish.
BZP	Bright Zinc Plated (BZP) Steel - non-stainless standard steel grade offering a basic level of corrosion resistance.
BZP-10	Bright Zinc Plated (BZP) high tensile steel class 10 - a higher tensile non-stainless grade for nuts, with 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.

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Thin Nyloc Nuts (Type T) ISO 10511 (DIN 985)

Prevailing torque type nut manufactured to DIN 985. Popularly employed Hexagon nut incorporating a nylon insert to help prevent loosening when fitted. This is the standard profile variant (Type T), a higher profile option is available under DIN 982 (Type P). Typically fitted with a spanner or ratchet with socket.

BRASS

BZP-10

BZP-8

Thick Nyloc Nuts (Type P) ISO 10512 (DIN 982)

Prevailing torque type nut manufactured to DIN 982. Hexagon nut incorporating a nylon insert to help prevent loosening when fitted. This is the higher profile (Type P) variant with more available thread engagement and is typically fitted with a spanner or ratchet with socket. A lower profile, where perhaps space is at a premium is also available under DIN 985 (Type T).

BZP-8

Dome Nyloc Nuts DIN 986

A prevailing torque type locking version sharing the characteristics of the DIN 1587 dome nut. Incorporating a nylon insert to help prevent loosening when fitted. Conforms to DIN 986.

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

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.

UNC Nylon Insert Hex Nuts IFI-100/107

Prevailing torque type nut manufactured to IFI-100/107. Popularly employed Hexagon nut incorporating a nylon insert to help prevent loosening when fitted. Typically fitted with a spanner or ratchet with socket.

BZP

4-40

6-32

8-32

10-24

5/16

7/16

9/16

UNF Nylon Insert Hex Nuts IFI-100/107

BZP

10-32

5/16

7/16

9/16

UNC Nylon Insert Hex Nuts Thin Type

Prevailing torque nut, thin type. Popularly employed Hexagon nut incorporating a nylon insert to help prevent loosening when fitted. Typically fitted with a spanner or ratchet with socket.

BZP

4-40

5-40

6-32

8-32

10-24

12-24

5/16

7/16

UNF Nylon Insert Hex Nuts Thin Type

Prevailing torque nut, thin type. Popularly employed Hexagon nut incorporating a nylon insert to help prevent loosening when fitted. Typically fitted with a spanner or ratchet with socket.

BZP

4-48

5-44

6-40

8-36

10-32

12-28

5/16

7/16