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Reverse Thread Bolt

Name: Reverse Thread Bolt
Brand: YONGYI

Product Introduction Reverse-thread bolts are customized fasteners specially designed for special assembly scenarios of automobiles. Forged and heat-treated from high-strength alloy steel, they boast excellent tensile strength and fatigue resistance. With a thread direction opposite to that of conventional bolts, they can effectively avoid the risk of natural loosening caused by high-speed operation and high-frequency vibration of equipment, and are suitable for components with strict requirements on fastening reliability, such as automobile powertrains and transmission systems. The surface of the product can be treated with anti-corrosion processes such as galvanizing, phosphating and electrophoresis according to needs, adapting to the weather resistance requirements under different working conditions. Easy to install and highly adaptable, it can accurately engage with corresponding reverse-thread nuts to ensure assembly stability. Product Application Mainly used for fixing key rotating components of automobiles such as engine flywheels, clutch pressure plates and drive shaft flanges. It is also applicable to assembly scenarios with mandatory requirements for anti-loosening in automobile steering systems and braking systems. It can effectively prevent bolt loosening caused by the rotational inertia of components, providing reliable fastening guarantee for automobile operation, and is widely suitable for the maintenance and manufacturing of passenger cars, commercial vehicles and special vehicles.

Category:

Products

Auto parts

Email:

sales@yyfasteners.com

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Ordering and Documentation

Confirm the product standard or drawing, thread and dimensions, material or property class, surface finish, quantity, packing and destination before quotation.

Required inspection, material, mechanical-property, coating and packing documents must be listed in the inquiry. Availability, lead time and commercial terms are confirmed for the specific order.

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Reverse Thread Bolt Specifications

Product FamilyIndustrial Bolts

StandardConfirm by drawing or purchase specification

MaterialMaterial to be confirmed with the order

FinishSurface finish to be confirmed

YONGYI supplies Reverse Thread Bolt for industrial, OEM and project purchasing. This page identifies the requested product family, standard, material, grade and finish so buyers can compare it with their drawing, bill of materials or technical specification.

Standard designations are common market references. Final dimensions, tolerances, mechanical properties, coating requirements and thread fit are confirmed in the quotation or approved drawing before production.

Product	Reverse Thread Bolt
Category	Bolts / Industrial Bolts
Referenced Standard	Confirm by drawing or purchase specification
Size / Thread	Confirm nominal size, thread and length with the inquiry
Material	Material to be confirmed with the order
Grade / Property	Mechanical property requirement to be confirmed
Surface Finish	Surface finish to be confirmed
Packaging	Carton, bag, pallet or project-specific export packing after quantity and unit weight are confirmed.

Typical Applications

Steel structures, machinery and industrial equipment assemblies
OEM production and maintenance fastening requirements
Project supply with specified grade, coating, packing and documentation

Information Required for an Accurate Quote

Nominal diameter, thread system, pitch and length where applicable
Required standard, material and property class or hardness
Surface finish, coating standard and any thickness or corrosion requirement
Order quantity, packing method, destination and required supporting documents

Quality and Order Documentation

Depending on the agreed order and available production records, documentation may include an approved drawing, dimensional inspection, material or mechanical-property report, coating report, packing list and shipment photos. Required documents must be stated before quotation.

FAQ

Can this product be supplied to a drawing?	Drawing-based and sample-based requirements can be reviewed. Feasibility, tolerances, tooling, MOQ and lead time are confirmed after technical review.
How should I request an alternative standard?	Send the original specification and identify any acceptable alternative. YONGYI will list confirmed compliance and any technical deviation separately.
Can coating and test documents be included?	Yes, when agreed before order. State the coating specification, test scope, inspection party and document format in the inquiry.