Black Knurled Round-Head Thumb Screw — Black cylindrical knurled heads shown with bright silver-colored fully threaded studs and flat or slightly rounded end forms. Final thread, length, head, material, finish, mating part, quantity and packaging require confirmation.
Product Overview
| Photographed Configuration | Black cylindrical knurled heads shown with bright silver-colored fully threaded studs and flat or slightly rounded end forms. |
|---|---|
| Purchasing Position | Custom machine-thread component requiring geometry, mating-thread and assembly confirmation. |
| Order Boundary | Photographed colors, dimensions and quantities do not define the production order. |
| Quotation Basis | Approved drawing or sample, mating part or panel, installation conditions, quantity, packaging and acceptance criteria. |
Specifications & Custom Capability
Current Product Configuration
| Product Type | Black Knurled Round-Head Thumb Screw |
|---|---|
| Current Product Configuration | Black cylindrical knurled heads shown with bright silver-colored fully threaded studs and flat or slightly rounded end forms. |
| Primary Form | Hand-operated thumb screw combining a knurled gripping head and machine-thread stud for repeated adjustment or clamping. |
| Head / Interface | Confirm head diameter and height, knurl pattern, top face, shoulder, stud-to-head retention and hand clearance. |
| Thread / Mating Part | Confirm machine-thread diameter, pitch, class, stud length, end form, mating nut or tapped hole and engagement. |
| Current Appearance | Black heads with bright threaded studs are shown; confirm head material, stud material, finish systems, color and corrosion requirement. |
| Material | Confirm according to drawing, sample or purchase specification. |
| Installation | Confirm mating thread, clamped parts, adjustment travel, hand access, tightening method and buyer-specified retention or clamp test. |
| Dimensions & Tolerances | Confirm according to drawing, sample or purchase specification. |
Custom Manufacturing & Order Review
| Made-to-Drawing | Available for review with screw or connector drawings, joint section and mating-part specification. |
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| Made-to-Sample | Available for comparison with representative screws, connectors, mating parts and approved finish samples. |
| Custom Thread Range | Machine-thread components from M1 to M12 can be reviewed where compatible with the confirmed subtype, mating thread, head geometry and application. |
| Custom Length Range | Lengths from 3 mm to 200 mm can be reviewed where compatible with the confirmed diameter, head geometry, engagement, manufacturing route and purchase specification. |
| Finish Options | Zinc plating, Ruspert coating, spray painting, electrophoretic coating, blackening, gold plating, silver plating and copper plating can be reviewed only where compatible with the confirmed base material, geometry, service environment and acceptance requirement. |
| Packaging & Private Label | Bulk, counted bags, blister packs, compartment cases or private-label cartons can be reviewed after part identity, quantity, protection, labels and artwork are approved. |
| MOQ | 10,000 pcs per confirmed specification |
| Samples | Request a representative sample made to the proposed geometry, thread, finish and packaging specification. |
Applications
| Tool-free adjustment points | Confirm grip, travel, thread and hand clearance. |
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| Machine guards and access panels | Review repeated operation and retained-fastener requirements. |
| Fixtures and light clamping | Coordinate stud engagement, bearing contact and buyer clamp test. |
| Equipment replacement hardware | Match head, thread, length and end to the approved sample. |
Buyer Guide
| Which head details affect usability? | Specify diameter, height, knurl, shoulder and available hand clearance. |
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| How is the stud thread selected? | Provide the mating part, diameter, pitch, class, engagement and travel. |
| Can head and stud materials differ? | They can be reviewed separately after the assembly and service requirements are confirmed. |
| What retention test is required? | State stud-to-head retention, repeated operation, clamp or other buyer criteria. |
Quality Control
| Knurled head | Inspect diameter, height, knurl, edges, top face and color. |
|---|---|
| Threaded stud | Check thread, length, straightness, end and mating fit. |
| Head-to-stud assembly | Verify concentricity, retention, hand operation and specified clamp test. |
| Pack audit | Confirm thread and length variant, count, label and protection. |
Packaging & Customization
| Packaging Format | Bulk, counted bags, blister packs, compartment cases or private-label cartons can be reviewed after part identity, quantity, protection, labels and artwork are approved. |
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| Identification | Use approved item codes, quantities, labels, barcodes and carton marks. |
| Component Protection | Prevent mixed parts, movement and visible-surface damage through the confirmed pack design. |
| Private Label | Submit approved artwork, language, barcode data and legal marking requirements before production. |
Frequently Asked Questions
| Is the order limited to the photographed screw configuration? | No. The gallery records the current photographed configuration. Final geometry, thread, material, finish, quantity and packaging require an approved drawing, sample or purchase specification. |
|---|---|
| Can thread and length be customized? | Machine-thread components from M1 to M12 and lengths from 3 mm to 200 mm can be reviewed according to subtype, head geometry, mating thread, engagement, manufacturing route and purchase specification. |
| Which head details affect usability? | Specify diameter, height, knurl, shoulder and available hand clearance. |
| Which finishes can be reviewed? | Zinc plating, Ruspert coating, spray painting, electrophoretic coating, blackening, gold plating, silver plating and copper plating can be reviewed only where compatible with the confirmed base material, geometry, service environment and acceptance requirement. |
| Can the package and label be customized? | Bulk, counted bags, blister packs, compartment cases or private-label cartons can be reviewed after part identity, quantity, protection, labels and artwork are approved. |
| What is required for quotation? | Send the screw or connector drawing or sample, mating part, joint stack, material and finish requirement, installation method, quantity and packaging artwork. MOQ starts at 10,000 pcs per confirmed specification. |
Need a Custom Quote?
Send a drawing or sample and the confirmed assembly requirements. JH Fix will review manufacturing compatibility, sample scope and quotation details.
| RFQ 1 | Thumb-screw drawing or approved sample |
|---|---|
| RFQ 2 | Head, knurl, shoulder and retention |
| RFQ 3 | Stud thread, length, end and mating part |
| RFQ 4 | Adjustment travel, access and clamp requirement |
| RFQ 5 | Head and stud materials and finishes |
| RFQ 6 | Variant quantity, labels and packaging |
MOQ: 10,000 pcs per confirmed specification
