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العربية carbon steel self tapping screws supplier
XZ Fastener supplies carbon steel self tapping screws for sheet metal, light steel frames, plastic housings, electrical enclosures, furniture hardware, HVAC parts, and OEM assembly lines. Screws can be supplied with pan head, countersunk head, hex washer head, truss head, Phillips drive, Torx drive, slotted drive, or custom head and drive combinations. Material, case hardening, point type, thread forming style, surface finish, packaging, and inspection requirements can be arranged according to order requirement, helping buyers match the screw to the substrate and installation method.
Carbon steel, stainless steel, multiple head styles, and custom colored finishes are available upon request.
Quick Specs
What Buyers Should Know Before Sourcing Carbon Steel Self Tapping Screws
Match the Screw to the Substrate
Self tapping screws form or cut their own thread during installation, so the point type, thread pitch, pilot hole, panel thickness, and base material must be checked together. For general selection guidance, buyers can review XZ Fastener’s guide to self tapping screw uses, materials, and selection tips.
Confirm Drive and Head Style
Drive type affects assembly speed, bit wear, stripping risk, and field service. Pan head, countersunk head, wafer head, truss head, and hex washer head screws are used for different seating surfaces. The screw drive type guide can help align procurement with assembly tools.
Common Purchasing Descriptions
Self tapping screw inquiries should include head type, drive type, diameter, length, material, point type, finish, and packaging. Buyers often use the following descriptions in RFQs and purchase orders.
- Carbon steel pan head self tapping screws, Phillips drive, zinc plated
- C1022 case hardened self tapping screws for sheet metal assembly
- Black phosphate self tapping screws for furniture, light steel, and equipment panels
- Hex washer head self tapping screws for roofing sheets, brackets, and HVAC parts
- Countersunk carbon steel self tapping screws for flush surface assembly
- Related bolt package items may include DIN 933 full thread hex bolts, Grade 8.8 carbon steel hex bolts, metric hex head bolts, zinc plated DIN 933 bolts, black oxide DIN 933 bolts, and hot dip galvanized DIN 933 bolts
For material and coating context, see the guide to carbon steel screws, grades, coatings, and industrial uses.
Detailed Specifications Table
| Предмет | Common Options | Purchasing Notes |
|---|---|---|
| Product Name | Carbon steel self tapping screws | Also called sheet metal screws, tapping screws, or thread forming screws depending on application |
| Стандарты | DIN 7981, DIN 7982, DIN 7983, ISO 7049, ISO 7050, ANSI/ASME, custom drawing | Confirm standard and head shape because dimensions and recess design may differ |
| Диапазон размеров | ST2.2 to ST8, M2 to M10, inch sizes available upon request | Diameter, length, head style, drive type, and point type should be listed clearly |
| Тип головки | Pan, countersunk, truss, wafer, hex washer, round, flange head | Head selection should match surface seating, clearance, and appearance requirements |
| Тип привода | Phillips, Pozidriv, Torx, slotted, hex socket, square, combination drive | Drive type affects installation torque, bit compatibility, and stripping risk |
| Материал | C1022, C1018, low carbon steel, medium carbon steel, equivalent grades | Case hardening may be required for tapping performance in sheet metal |
| Тип точки | Type A, AB, B, C, pointed, blunt, drill point where specified | Point and thread type should match substrate thickness and pilot hole design |
| Finish | Zinc plated, yellow zinc, black phosphate, black oxide, nickel, zinc flake, painted | Finish should match corrosion exposure, appearance, and assembly conditions |
| Inspection | Dimensions, drive recess, thread form, point shape, hardness, torque, coating thickness | Inspection reports are available upon request when specified before order confirmation |
| Packaging | Bulk cartons, small boxes, bags, blister packs, kits, private labels | Retail-style packs, OEM bags, and distributor labels can be arranged according to order requirement |
Material and Grade Explanation
Carbon steel self tapping screws commonly use C1022 or similar steel because the screw needs a hardened surface to form threads while keeping enough core toughness to reduce breakage during installation. Unlike machine screws, self tapping screws are designed to create or shape the internal thread in the mating material, so hardness, thread geometry, and point design are critical.
For OEM projects, buyers should not select by diameter and length alone. Pilot hole size, sheet thickness, substrate hardness, tightening torque, and assembly speed should be considered. XZ Fastener also provides an OEM screw selection guide for industrial purchasing teams.
Surface Finish Selection Guide
Zinc Plated
Common for indoor equipment, furniture, brackets, and general hardware. White zinc and yellow zinc options can be supplied according to order requirement.
Black Phosphate
Often used for drywall, furniture, and dark-finish assembly. Oil or additional protection may be needed depending on storage conditions.
Black Oxide
Used when a dark appearance is required for protected machinery or hardware. It is not a heavy corrosion-resistant coating by itself.
Nickel Plated
Selected for improved appearance and moderate corrosion resistance in visible hardware or equipment assemblies.
Zinc Flake
Available upon request for higher corrosion resistance where the application and screw geometry are suitable.
Painted or Custom Color
Color matching can be discussed for visible panels, roofing accessories, appliance parts, or customer-branded hardware packs.
For coating selection, buyers can review XZ Fastener’s fastener coating guide.
Manufacturing and Quality Control
Production control for carbon steel self tapping screws may include wire inspection, heading, recess forming, thread rolling, point forming, heat treatment, surface finishing, sorting, inspection, and packing. Key inspection points include head diameter, recess depth, drive fit, thread profile, point shape, surface hardness, core hardness, coating thickness, and installation performance where specified.
For inspection planning, XZ Fastener’s guide to fastener quality control during manufacturing explains practical checkpoints from raw material to packing.
Приложения
- Sheet metal cabinets, electrical enclosures, and appliance panels
- HVAC ducts, brackets, light steel frames, and repair hardware
- Furniture, shelving, display racks, and plastic housing assembly
- Automotive trim, equipment covers, and OEM production lines
- Distributor stock programs for common head and drive combinations
- Custom colored screws for visible panels and branded hardware
- Assembly kits packed with washers, anchors, or related fasteners
- Replacement projects where point type and drive compatibility must match
For electronics and enclosure projects, buyers can also review XZ Fastener’s guide to screw and hardware selection for electronics manufacturing.
How to Get a Faster Quotation
To help XZ Fastener prepare an accurate quotation, please send the standard or drawing, head type, drive type, diameter, length, point type, material, finish, quantity, packaging method, and inspection requirements. If the screw will be used in sheet metal or plastic, include substrate thickness, pilot hole size, and assembly tool information when available.
For a structured inquiry, use the request a quote page with drawings, photos, samples, or current supplier part numbers.
Часто задаваемые вопросы
What material is commonly used for carbon steel self tapping screws?
C1022 carbon steel is commonly used because it can be case hardened for thread forming performance. Equivalent low or medium carbon steel materials can be discussed according to order requirement.
Do self tapping screws need pilot holes?
Many self tapping screws are used with pilot holes, especially in sheet metal or plastic. Pilot hole size depends on screw diameter, thread type, substrate thickness, and installation torque.
Can carbon steel self tapping screws be zinc plated?
Yes. Zinc plated self tapping screws are common for indoor hardware, cabinets, brackets, and light equipment. White zinc, yellow zinc, and coating thickness requirements can be discussed.
What is the difference between self tapping and self drilling screws?
Self tapping screws form or cut threads in a prepared hole or suitable substrate. Self drilling screws include a drill point that can create the hole before threading in certain materials.
Can screws be packed in small boxes or private label bags?
Yes. Bulk cartons, small boxes, plastic bags, kits, and private labels can be arranged according to quantity, market channel, and warehouse requirement.
What inspection items are important for self tapping screws?
Important checks include dimensions, head shape, drive recess, thread form, point geometry, hardness, coating thickness, appearance, and installation performance when required.
Send Your Carbon Steel Self Tapping Screw Inquiry
For a faster quotation, please send your size list, finish, quantity, packaging method, and inspection requirements. Drawings, head style, drive type, point type, material, coating, substrate information, and label format help confirm the correct carbon steel self tapping screws before production.
Request a Quote from XZ Fastener