All Metal Lock Nuts Grade 8 Manufacturer & Supplier | Ananka Group

Our All Metal Lock Nuts are manufactured with stringent quality controls and rigorous inspection procedures to ensure reliable locking performance, resistance to loosening, and long-term durability in demanding industrial environments. Each lock nut is precisely formed using advanced deformation techniques to create a prevailing torque mechanism that maintains secure fastening even under continuous vibration and thermal cycling. Designed to reduce maintenance intervals and prevent joint failure, all metal lock nuts provide consistent performance in critical fastening applications. Contact us today to request a quotation or discuss your specific operating conditions in detail.

Material & Grades Table – All Metal Lock Nuts

Material	Grade / Standard	Size / Thickness / Diameter	Extra Specification	Weight (kg/1000 pcs)
Stainless Steel	SS 304 / ASTM F594	M3–M24	General-purpose corrosion-resistant all-metal lock nut	Approx. 1–250
Stainless Steel	SS 316 / ASTM F594	M3–M24	Marine and chemical applications	Approx. 1–250
Stainless Steel	SS 316L	M3–M24	Low-carbon corrosion-resistant construction	Approx. 1–250
Carbon Steel	ASTM A563 Grade A	M4–M30	General industrial prevailing-torque nut	Approx. 2–400
Carbon Steel	ASTM A563 Grade C	M6–M30	Higher-strength locking applications	Approx. 3–500
Alloy Steel	ISO 898-2 Class 10	M5–M30	High-strength metric lock nut	Approx. 2–500
Alloy Steel	ISO 898-2 Class 12	M5–M30	Heavy-duty mechanical applications	Approx. 2–500
Inconel	UNS N06625	M5–M24	High-temperature and corrosion-resistant applications	Approx. 3–400

Key Features & Advantages

• All-metal locking mechanism without polymer inserts
• Excellent resistance to vibration-induced loosening
• Suitable for elevated-temperature applications
• High mechanical strength and reliable thread engagement
• Stainless steel grades provide excellent corrosion resistance
• Suitable for automotive, machinery, piping, and industrial assemblies
• Available in various locking designs, sizes, grades, and finishes

Chemical Composition

Representative Grade: Stainless Steel 316

Element	Percentage (%)
Chromium (Cr)	16.0–18.0
Nickel (Ni)	10.0–14.0
Molybdenum (Mo)	2.0–3.0
Manganese (Mn)	2.00 max.
Carbon (C)	0.080 max.
Iron (Fe)	Balance

Mechanical Properties

Property	Value
Tensile Strength	515 MPa min.
Yield Strength	205 MPa min.
Elongation	40% min.
Hardness	95 HRB max.

Equivalent Grade

Standard	Grade
ASTM	F594 Type 316
UNS	S31600
EN	1.4401
DIN	X5CrNiMo17-12-2