Pan Head Machine Screws
Stainless Steel Pan Head Machine Screws with Multiple Drive Options
Pan Head Machine Screws are fully or substantially threaded fasteners for existing female threads such as tapped holes, nuts and threaded inserts. Their rounded pan head provides a broad visible bearing surface and an accessible drive recess for machinery, electrical equipment, enclosures and general industrial assembly. VALTOR supplies Phillips, slotted, combination, 6-lobe and square drive configurations according to the applicable specification or customer requirement.
Product Overview
Pan Head Machine Screws engage a pre-existing female thread in a tapped hole, hex nut, rivet nut, self clinching nut, cage nut or other threaded insert. They are machine-threaded assembly fasteners, not self tapping screws or self drilling screws, and should not be described as creating their own thread in plain sheet metal.
The pan head has a rounded upper profile, broad bearing surface and accessible recess, making it suitable for exposed industrial assemblies, equipment housings, machinery panels and serviceable covers. Head selection still depends on the actual joint and mating surface.
The same pan-head geometry can be supplied with Phillips / cross recessed, slotted, combination Phillips / slotted, 6-lobe / Torx or square drive according to assembly tooling, torque-transfer needs, automation, maintenance access, regional preference and customer drawings. VALTOR supports 304 or 316 stainless steel, suitable carbon steel, Metric / UNC / UNF threads, standard supply and feasible custom production.
Technical Specifications
Drive Options & Selection
Material, Thread & Finish Options
Select material and finish together with mating-fastener material, corrosion environment, mechanical needs, indoor or outdoor exposure, appearance and customer specification.
Custom Drive, Size & OEM Manufacturing
Phillips, slotted, combination, 6-lobe and square drive requirements should be confirmed by drawing, sample, drive specification and mating tool. Not every drive is available in every diameter.
Feasible custom parameters include thread diameter and pitch, screw and thread length, head diameter and height, drive size, and suitable special end geometry. A design differing from ISO 7045 / DIN 7985 is identified as custom.
Provide drawing or sample, thread, length, head dimensions, drive, material, finish, quantity, mating component and application. Samples can confirm thread fit, drive fit, dimensions and assembly performance.
Inner bags, small boxes, export cartons, wooden pallets, specified packing quantities, customer labels and authorized private-label packaging may be supported.
Quality Control & Documentation
Inspection may verify diameter, pitch, thread continuity and mating fit; pan-head diameter, height, profile and alignment; the actual drive geometry, depth, position, symmetry, burrs and tool engagement; overall and threaded length, straightness, material and finish condition. Documentation may include MTC, raw-material report, dimensional inspection report, product inspection report and third-party inspection support when specified. No unverified torque or certification claim is assumed.
Applications
Serviceable machine-threaded fastening for industrial equipment and OEM assemblies.
Secure removable panels, guards and covers to tapped components or threaded inserts.
Serviceable threaded fastening for control boxes, electrical cabinets and equipment housings.
Reusable connections for mechanical components, covers, brackets and equipment parts.
Pair with rivet nuts, self clinching nuts, cage nuts and other threaded inserts in sheet metal equipment.
Standard or drawing-based machinery and enclosure production requiring different drive configurations.
Frequently Asked Questions
What is the difference between Pan Head Machine Screws and self tapping screws?
A machine screw engages a pre-existing female machine thread in a nut, tapped hole or threaded insert. A self tapping screw forms or cuts its mating thread during installation, while a self drilling screw also drills a suitable material before forming the thread.
Do all drive types comply with ISO 7045 or DIN 7985?
No. These references apply to appropriate cross-recessed standard versions. Slotted, combination, 6-lobe and square drive versions follow their applicable specification, confirmed product requirement or customer drawing.
Which drive type should I choose?
Consider available tooling, torque transfer, cam-out sensitivity, manual or automated assembly, maintenance access, regional preference and the existing equipment specification. No drive is universally best.
Can VALTOR manufacture custom Pan Head Machine Screws?
Custom drive, thread, length, head dimensions, material and finish may be supported subject to feasibility. Provide a drawing or sample and the mating component for review.
What information is required for a quotation?
Please provide drive type, thread diameter and pitch, length, head requirement, material, finish, quantity, mating component, application and any drawing, sample, packaging or inspection needs.
Share the drive, thread, dimensions, material, finish, quantity and mating-component requirements with VALTOR.