Custom Stainless Steel Slotted Flat Head Machine Screw
Part: Machine Screw
Configuration: flat bearing head, straight slot and threaded body or point; metric, inch or special machine thread; diameter, pitch, tolerance and engagement are confirmed at RFQ
Material scope: stainless steel; grade such as 304 or 316 must be selected against the service environment
Standard / drawing: non-standard part controlled by the approved buyer drawing or verified sample
Application review: OEM machinery and equipment assembly — confirm mating-part material, joint load and service environment and installation tool and access
RFQ: Send the drawing or sample, quantity, material grade, finish, inspection documents and delivery destination.
Categories
Request A Quote
Product Description
Product Overview
For OEM machinery and equipment assembly, selecting the correct machine screw involves more than matching the overall appearance. The controlling geometry covers the flat bearing head, straight slot and threaded body or point; the remaining RFQ data are material condition, dimensional tolerances and acceptance method. The material scope is stainless steel; grade such as 304 or 316 must be selected against the service environment.

Product Photo Gallery
Complete Product View
|
Head and Drive Detail
|
Thread / Body Detail
|
Side Profile Detail
|
Multi-Angle Product View
|
Product Specifications
| Product type | custom machine screw |
|---|---|
| Visible geometry | very wide thin circular head, straight slotted drive, short fully threaded shank and blunt end |
| Material | Stainless steel; exact grade to be confirmed |
| Standard / equivalent | Custom or applicable standard to be confirmed from the buyer’s drawing |
| Diameter, length and thread | Produced to approved drawing or sample |
| Surface finish | As specified and confirmed before production |
| Tolerance | Critical dimensions and tolerance class to be stated on the drawing |
| Packaging | Bulk, small box or buyer-specified export packing, subject to quotation |
Selection and RFQ Notes for This Machine Screw
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 flat bearing head, straight slot and threaded body or point, 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 machine screw, together with gauges, reports, sampling level and packaging protection.
Typical Applications
- custom panels
- covers and escutcheons
- special equipment 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
- Custom oversized head geometry
- Simple slotted drive
- Short machine-thread engagement
- Suitable for drawing-based production
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
For this geometry, dimensional inspection and an assembly-relevant functional check should be agreed before mass production. Typical checkpoints are overall length, thread gauge result, head and drive geometry, and surface 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 Slotted Flat Head Machine Screw, send a dimensioned drawing or marked sample showing the standard reference, material/grade, size notation, thread data where applicable, flat bearing head, straight slot and threaded body or point, 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
| MOQ | Confirmed according to geometry, material, process and order requirements |
|---|---|
| Sample lead time | Confirmed after drawing, material and tooling review |
| Mass-production lead time | Confirmed according to quantity, process and inspection plan |
| Packaging | Bag, box, carton or customer-specified protective export packaging |
| Optional materials / finishes | Reviewed and confirmed against the application and approved drawing |
| Inspection / compliance | Project-specific requirements confirmed in the quotation |
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 machine screw?
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 machine screw?
Confirm the flat bearing head, straight slot and threaded body or point, 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 Slotted Flat Head Machine Screw, send the target quantity, dimensioned drawing or sample, material/grade, finish, inspection and packaging requirements, and delivery destination. For a machine screw 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.
Related Products
Related products
Factory Showcase






Request A Quote
Fill in the form below and our team will be happy to assist you








