
SIMMONDS - Nylon Lock Nuts, Nylstop
In 1936, Oliver Simmonds launched his first range dedicated to aerospace. Forty years later, the brand made its mark in the fastening industry by creating and producing the very first self-locking nut, known as Nyloc, called Nylstop.
Building on this heritage of innovation, Simmonds has since expanded its expertise to high-technical threaded female fastening solutions. Today, we design custom nuts that combine precision, performance, and cost optimization to meet the specific requirements of each client.
Simmonds Product Range
The Simmonds range includes a wide variety of high-quality nylon lock nuts.
Key products include :
- Bearing Nut - CNCF
- Nylon Lock Nut - NYLSTOP - TYPE P: Designed to prevent the disengagement of nuts and bolts during use.
- Nylon Lock Nut - NYLSTOP - TYPE T: Also designed to prevent the disengagement of nuts and bolts during use.
- High-Temperature Lock Nut: Allows for less aggressive contact during and after installation, reducing stress levels within the bolt and nut, and is resistant to vibrations.

Bearing Nut
- Single-Piece Design: Simplifies installation.
- Reduced Installation Time and Cost: Streamlines the process for efficiency.
- Nylon Locking Mechanism: Resistant to vibrations, ensuring secure fastening.

Nylon Lock Nut - NYLSTOP - TYPE P
- Diameters: M2.5 - M52
- Materials: Steel CL8 & CL10, Stainless Steel A2 & A4
- Standard Coating: Zinc Nickel
- Available in Two Height Variants: (P-Normal, T-Low)

Nylon Lock Nut - NYLSTOP - TYPE T
- Diameters: M2.5 - M52
- Materials: Steel CL8 & CL10, Stainless Steel A2 & A4
- Standard Coating: Zinc Nickel
- Available in Two Height Variants: (P-Normal, T-Low)

High-Temperature Lock Nut
- Diameters: M5 - M20
- Materials: Class 8 Steel
- Standard Coating: Zinc Nickel
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