Countersunk Self Tapping Screw DIN7982

Product Overview

Countersunk Self Tapping Screw DIN7982 is presented as a self tapping screw for sheet, linkage or retained-joint assembly. The purchasing distinction is its flush countersunk head, drive or wrenching feature shown on the approved drawing and threaded body or point and the way those features engage the mating parts. The reference photographs support identification; production remains subject to an approved drawing, sample or standard.

Product Photo Gallery

Complete Product View

Head and Drive Detail

Thread Form Detail

Point / Drilling Detail

Multi-Angle Product View

Product Specifications

Selection and RFQ Notes for This Self Tapping 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 flush countersunk head, drive or wrenching feature shown on the approved drawing and threaded body or point, together with the mating-part dimensions and any installation clearance limit.
• Material condition: Specify carbon steel, stainless steel or another specified alloy; final grade is drawing-controlled; do not use the word “stainless” or “high strength” as the only acceptance requirement.
• Installation fit: Review joint stack thickness, access from one or both sides and shear, retention and serviceability for the intended sheet, linkage or retained-joint assembly.
• Inspection: Identify the dimensions and functions that are critical to the self tapping screw, together with gauges, reports, sampling level and packaging protection.

Typical Applications

• Pivots, guides, rollers and linkage assemblies
• Machinery, fixtures and positioning mechanisms
• OEM joints requiring a controlled bearing or locating surface

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

Drawing-Controlled Structure and Key Features

• Countersunk head profile
• Drawing-controlled dimensions, tolerances and thread engagement
• Material, finish and inspection plan configured for the application

The visible features shown in the photos support RFQ review, while the approved drawing, standard and agreed inspection criteria remain the controlling production documents.

Quality Inspection Process

For this geometry, dimensional inspection and an assembly-relevant functional check should be agreed before mass production. 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 verification
• Critical-dimension and tolerance inspection
• Thread gauge, head and drive geometry checks
• 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 acceptance criteria.

Drawing and Customization Requirements

For Countersunk Self Tapping Screw DIN7982, send a dimensioned drawing or marked sample showing the standard reference, material/grade, size notation, thread data where applicable, flush countersunk head, drive or wrenching feature shown on the approved drawing and threaded body or point, finish and packaging. Also identify joint stack thickness, access from one or both sides and shear, retention and serviceability because these points affect suitability for sheet, linkage or retained-joint assembly. Any unmarked dimension remains subject to technical clarification before tooling or production.

Customization & Order Information

Frequently Asked Questions

Which application details should accompany the RFQ?

Describe joint stack thickness, access from one or both sides and shear, retention and serviceability. These details help determine whether the proposed geometry and material suit sheet, linkage or retained-joint assembly.

Which dimensions are needed to quote this self tapping 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 sheet, linkage or retained-joint assembly?

State the required grade or alloy, mechanical condition, corrosion exposure and certificate requirement. The current material scope is carbon steel, stainless steel or another specified alloy; final grade is drawing-controlled.

Which interface dimensions should be controlled on this self tapping screw?

Confirm the flush countersunk head, drive or wrenching feature shown on the approved drawing 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.

Can Hongyuan manufacture from a physical sample?

Yes. A sample supports identification and reverse review, but a drawing or signed dimensional report should define the final acceptance criteria.

Request a Quote

To quote Countersunk Self Tapping Screw DIN7982, send the target quantity, dimensioned drawing or sample, material/grade, finish, inspection and packaging requirements, and delivery destination. For a self tapping screw used in sheet, linkage or retained-joint assembly, please also identify joint stack thickness, access from one or both sides and shear, retention and serviceability. Hongyuan will confirm manufacturability and commercial terms against the approved specification.

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