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China Suppliers Factory Hexagonal Locking Nuts for Angle Grinders - Polishing and Wire Wheel Brush Accessories

Introducing our premium set of hexagonal locking nuts, specifically crafted for angle grinders and electric drill angle grinders, also referred to as pressure caps or fixing nuts. These essential fasteners play a crucial role in securely connecting the tool spindle to various grinding discs, including wire wheels, cutting discs, and polishing wheels. Produced in China, our high-quality locking nuts are supplied directly from our reliable factory, ensuring durability and performance for all your grinding needs. Trust our products for the best results and efficient operation in your power tools.
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    Product Details

    Material and Craftsmanship

    The main body of the product is made of high-strength 45# high-quality carbon steel, which is formed by cold heading and strengthened by high-frequency quenching treatment. The hardness reaches HRC42-48, and it has extremely strong resistance to torsion and impact. The surface is coated with white zinc/color zinc anti-corrosion technology, which not only looks beautiful, but also effectively isolates moisture and acid-base corrosion in the air. It has excellent rust prevention ability and is not easy to rust even in harsh working conditions such as rust removal and dust accumulation. Its durability far exceeds that of ordinary nuts.

    Structure and Specifications

    The model has 22 pairs of edges, 24 pairs of edges, 26 pairs of edges, 24 pairs of double hexagonal edges, and 27 pairs of double hexagonal edges. Adopting standard hexagonal shape and M10/M14/M5/8-11 high-pressure internal thread design:
    Hexagonal Shape
    Suitable for universal wrenches, with even locking force, completely eliminating looseness and slipping during high-speed rotation.
    Integrated Thickened Structure
    The nut height is sufficient, the thread engagement depth is deep, and it can withstand the high-speed centrifugal force and vibration of the angle grinder at ten thousand revolutions per minute, without easily slipping or loosening.

    Core Strengths

    1
    Secure and worry-free locking: High precision thread matching ensures a tight fit after tightening, and remains unchanged during high-speed operation, completely eliminating the safety risks of loose or thrown parts.
    2
    High efficiency of disassembly and assembly, strong adaptability: Standard universal thread, perfectly matching the original main shaft of the supporting role mill and various conversion connecting rods, one nut is equipped with 100/125 type grinding discs, realizing "one rod for multiple purposes".
    3
    High strength and durability, long-lasting: One-piece molding without welding points, compression and impact resistance, no deformation or slipping during heavy-duty operations, making it the preferred durable accessory for decoration, auto repair, and hardware processing.

    Main Purpose

    Widely used for fixing accessories in the modification scenarios of angle grinders and hand drills. Whether it is fixing the steel wire wheel for metal rust removal or welding seam grinding; Fixed cutting blades for stone/metal cutting; Still using a fixed polishing wheel for car paint/furniture polishing, this nut can provide stable locking force and is an indispensable basic accessory in various polishing, cutting, and polishing operations.
    • Polishing And Polishing Wire Wheel Brush Accessori11
    • Polishing And Polishing Wire Wheel Brush Accessori12
    • Polishing And Polishing Wire Wheel Brush Accessori13

    Frequently Asked Questions

    What material is this locking nut made of?

    The nut is manufactured from high-strength 45# high-quality carbon steel, formed via cold heading and reinforced with high-frequency quenching to reach an HRC42-48 hardness rating.

    What thread sizes and edge configurations are available?

    Available specifications include standard hexagonal and double hexagonal designs (22, 24, 26, and 27 pairs of edges) supporting M10, M14, and 5/8"-11 high-pressure internal thread standards.

    Can it withstand high-speed rotation without loosening?

    Yes. The integrated thickened structure and deep thread engagement depth are specifically engineered to withstand centrifugal forces and vibrations at 10,000+ RPM without slipping or loosening.

    How does the surface finish resist corrosion?

    The surface is treated with white zinc or color zinc anti-corrosion coating, isolating moisture and acidic/alkaline airborne elements to prevent rust under heavy dust or damp operating conditions.

    What tools and attachments can be secured with this nut?

    It is designed for angle grinders and hand drill conversions to fix wire wheels, cutting blades (metal/stone), and polishing discs (automotive paint/furniture) across 100/125 type setups.

    Why is a one-piece molded construction better?

    The seamless one-piece design contains no welded weak points, providing high impact resistance and preventing cracking or thread stripping during heavy-duty operations.

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