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Conical Washer Nuts
Custom Washer Nuts
Custom Fasteners


— K Locking Nuts
K Locking Nut
K Locking Nuts feature an integrated external tooth washer that provides reliable anti-loosening performance. The captive design enables faster assembly without additional components. Suitable for automotive and industrial applications.
Size Range
#4-#12 | M3-M16 | 1/4-1/2
Material
Steel | Stainless Steel | Brass(optional)
Thread Type
UNC | UNF | Metric
Mechanical Property
CLASS 5/8/10 (Carbon Steel)
A2-70 / A4-70 (Stainless Steel)
Finish
Zinc Plated (Cr3+) | Zinc-Nickel | Black Phosphate
Locking Mechanism
Serration Washer
MADE IN TAIWAN

— Conical Washer Nuts
Conical Nut
Conical Washer Nuts feature a built-in conical washer that improves load distribution and seating stability on uneven surfaces. The washer can be designed as Belleville-type to provide spring effect and maintain clamping force under vibration. Custom sizes and spring characteristics are available
Size Range
#4-#12 | M3-M16 | 1/4-1/2
Material
Steel | Stainless Steel | Brass(optional)
Thread Type
UNC | UNF | Metric
Mechanical Property
CLASS 5/8/10 (Carbon Steel)
A2-70 / A4-70 (Stainless Steel)
Finish
Zinc Plated (Cr3+) | Zinc-Nickel | Black Phosphate
Locking Mechanism
Conical Washer
MADE IN TAIWAN

— Conical Washer Nuts
Nylon Conical Washer Nut
Nylon Insert Conical Washer Nuts combine a nylon locking insert with a conical washer design, providing reliable prevailing torque and improved load distribution. This ensures secure fastening under vibration and stable seating on uneven surfaces.
Size Range
#4-#12 | M3-M16 | 1/4-1/2
Material
Steel | Stainless Steel | Brass(optional)
Thread Type
UNC | UNF | Metric
Mechanical Property
CLASS 5/8/10 (Carbon Steel)
A2-70 / A4-70 (Stainless Steel)
Finish
Zinc Plated (Cr3+) | Zinc-Nickel | Black Phosphate
Locking Mechanism
Nylon Insert + Conical Washer
MADE IN TAIWAN

— Flange Conical Washer Nuts
Flange Conical Washer Nut
Flange Conical Washer Nuts combine a conical washer with a flange design to improve load distribution and seating stability. The integrated structure enhances fastening reliability, especially on uneven or soft surfaces, making it ideal for automotive and industrial applications.
Size Range
#4-#12 | M3-M16 | 1/4-1/2
Material
Steel | Stainless Steel | Brass(optional)
Thread Type
UNC | UNF | Metric
Mechanical Property
CLASS 5/8/10 (Carbon Steel)
A2-70 / A4-70 (Stainless Steel)
Finish
Zinc Plated (Cr3+) | Zinc-Nickel | Black Phosphate
Locking Mechanism
Flange + Conical Washer
MADE IN TAIWAN

— custom Washer Nuts
Nylon Flange Conical Washer Nut
Flange Conical Washer Nuts combine a conical washer with a flange design to improve load distribution and seating stability. The integrated structure enhances fastening reliability, especially on uneven or soft surfaces, making it ideal for automotive and industrial applications.
Size Range
#4-#12 | M3-M16 | 1/4-1/2
Material
Steel | Stainless Steel | Brass(optional)
Thread Type
UNC | UNF | Metric
Mechanical Property
CLASS 5/8/10 (Carbon Steel)
A2-70 / A4-70 (Stainless Steel)
Finish
Zinc Plated (Cr3+) | Zinc-Nickel | Black Phosphate
Locking Mechanism
Nylon Insert + Flange + Conical Washer
MADE IN TAIWAN

— custom Washer Nuts
Grooved Scraping Nut
Nuts with scraper groove feature specially designed grooves that help remove paint, coating, or debris during installation, ensuring proper metal-to-metal contact. This improves electrical conductivity and fastening reliability in coated or painted assemblies.
Size Range
#4-#12 | M3-M16 | 1/4-1/2
Material
Steel | Stainless Steel | Brass(optional)
Thread Type
UNC | UNF | Metric
Mechanical Property
CLASS 5/8/10 (Carbon Steel)
A2-70 / A4-70 (Stainless Steel)
Finish
Zinc Plated (Cr3+) | Zinc-Nickel | Black Phosphate
Locking Mechanism
Groove + Conical Washer
MADE IN TAIWAN

— custom Washer Nuts
Serrated Washer Nut
Serrated Washer Nuts feature integrated serrations can either at both sides that create friction against the mating surface, providing reliable anti-loosening performance. The captive washer design allows fast and efficient assembly without additional components.
Size Range
#4-#12 | M3-M16 | 1/4-1/2
Material
Steel | Stainless Steel | Brass(optional)
Thread Type
UNC | UNF | Metric
Mechanical Property
CLASS 5/8/10 (Carbon Steel)
A2-70 / A4-70 (Stainless Steel)
Finish
Zinc Plated (Cr3+) | Zinc-Nickel | Black Phosphate
Locking Mechanism
Serration + Conical Washer
MADE IN TAIWAN