Custom Stainless Steel Socket Head Shoulder Bolt

Product Overview

This shoulder bolt is intended for buyers comparing geometry, assembly fit and material choice for OEM machinery and equipment assembly. Its configuration is defined by the socket head, wrenching feature, shank or grip section and external thread. Before quotation, Hongyuan checks mating-part material, joint load and service environment and installation tool and access rather than assuming a catalogue size from the image.

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Complete Product View

Head / Retaining Detail

Precision Body or Shoulder

Connection / Assembly Detail

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Product Specifications

Selection and RFQ Notes for This Shoulder Bolt

Industrial product catalogues commonly separate comparable parts by standard, material/grade, diameter × length, pitch, thread coverage, head/drive and pack quantity. For this page those fields are treated as RFQ inputs, not assumed stock specifications.

• Size callout: State diameter × overall length, pitch, threaded length or grip length, and every non-standard shoulder, collar or bore dimension.
• Interface geometry: Confirm the socket head, wrenching feature, shank or grip section and external thread, together with the mating-part dimensions and any installation clearance limit.
• Material condition: Specify stainless steel; grade such as 304 or 316 must be selected against the service environment; do not use the word “stainless” or “high strength” as the only acceptance requirement.
• Installation fit: Review mating-part material, joint load and service environment and installation tool and access for the intended OEM machinery and equipment assembly.
• Inspection: Identify the dimensions and functions that are critical to the shoulder bolt, together with gauges, reports, sampling level and packaging protection.

Typical Applications

• guided joints
• pivots and linkages
• bearing-supported assemblies

Application suitability depends on the final material grade, dimensions, mating parts, load and environment. Please share assembly details for engineering review.

Drawing-Controlled Structure and Key Features

• Precision shoulder section
• Positive internal hex drive
• Short threaded mounting end
• Custom diameters and lengths to drawing

These visible features guide the RFQ review, but production dimensions must be taken from an approved drawing, standard reference or verified sample.

Quality Inspection Process

Inspection is built around the drawing characteristics that affect assembly, not a generic cosmetic checklist. Typical checkpoints are shoulder or pin diameter, concentricity and step length, thread engagement, and burr and edge condition. Certificates or special reports are supplied when they are included in the quotation.

• Material and surface condition check
• Critical dimensional and tolerance inspection
• Thread gauge and drive geometry verification
• Final appearance, count and packaging inspection

Optical / Vision Sorting Inspection

For suitable higher-volume orders, optical or vision sorting can be evaluated for measurable and visible characteristics such as overall profile, head presence, length, drive condition and selected surface defects. The approved drawing and agreed functional tests remain the controlling acceptance criteria.

Drawing and Customization Requirements

For Custom Stainless Steel Socket Head Shoulder Bolt, send a dimensioned drawing or marked sample showing the standard reference, material/grade, size notation, thread data where applicable, socket head, wrenching feature, shank or grip section and external thread, finish and packaging. Also identify mating-part material, joint load and service environment and installation tool and access because these points affect suitability for OEM machinery and equipment assembly. Any unmarked dimension remains subject to technical clarification before tooling or production.

Customization & Order Information

Frequently Asked Questions

How are MOQ and lead time established?

They are quoted after material availability, forming or machining route, tooling, inspection level, finish, packaging and order quantity have been reviewed.

Which application details should accompany the RFQ?

Describe mating-part material, joint load and service environment and installation tool and access. These details help determine whether the proposed geometry and material suit OEM machinery and equipment assembly.

Which dimensions are needed to quote this shoulder bolt?

Provide diameter, overall length, pitch, thread or grip length, head dimensions and every shoulder, collar, bore or point dimension that affects the mating parts.

How should the material grade be specified for OEM machinery and equipment assembly?

State the required grade or alloy, mechanical condition, corrosion exposure and certificate requirement. The current material scope is stainless steel; grade such as 304 or 316 must be selected against the service environment.

Which interface dimensions should be controlled on this shoulder bolt?

Confirm the socket head, wrenching feature, shank or grip section and external thread, mating-part dimensions, assembly clearance and any functional gauge or installation test. These points should be identified on the drawing.

Request a Quote

To quote Custom Stainless Steel Socket Head Shoulder Bolt, send the target quantity, dimensioned drawing or sample, material/grade, finish, inspection and packaging requirements, and delivery destination. For a shoulder bolt used in OEM machinery and equipment assembly, please also identify mating-part material, joint load and service environment and installation tool and access. Hongyuan will confirm manufacturability and commercial terms against the approved specification.

Explore more Hongyuan Fastener products or contact us with your drawing and quantity.