Who it is for
- Importers who already buy Chinese construction screws and need a Haiyan second source.
- Traders building mixed containers across drywall, chipboard and self-drilling.
Hex Washer Head Self-Drilling screw,With EPDM Washer
Hex Washer Head Self-Drilling screw,With EPDM Washer is part of the Ehons screw line made in Haiyan for construction machinery, general machinery and municipal work. Copy published on the previous site lists the standards, materials, grades, threads and finishes below. Use those fields as the quote baseline; do not assume undocumented tolerances.
Product overview
Hex Washer Head Self-Drilling screw,With EPDM Washer is part of the Ehons screw line made in Haiyan for construction machinery, general machinery and municipal work. Copy published on the previous site lists the standards, materials, grades, threads and finishes below. Use those fields as the quote baseline; do not assume undocumented tolerances.
Key benefits
- Named item (Hex Washer Head Self-Drilling screw,With EPDM Washer) rather than a generic mixed bin.
- Standards list drawn from the original product text (ASME / DIN / ANSI / JIS where stated).
- Finish and packing options already written on the source page, including carton-on-pallet export.
Application scenarios
- Distributor replenishment of a single head/drive style.
- OEM kitting for construction or general machinery assemblies.
- Municipal or building contractors buying by standard and coating.
Problems it solves
- Head, drive and thread style must stay consistent across lots.
- Coating color and salt-spray expectation must be stated on the PO — they are not implied here.
Technical features from the source listing
- ASME B18.6.4 & SAE J78 DIN7504K, DIN7504P,DIN7504N
- #4(2.8)-1/2″, Length: 10-180mm (3/8”- 7”)
- hex , flat, pan, truss, round, hex washer, Oval, pan framing, bugle, fillister
- Phil, slotted, Phil & slotted combination, hex socket
Specifications
| Standard | ASME B18.6.4 & SAE J78 DIN7504K, DIN7504P,DIN7504N |
|---|---|
| Size | #4(2.8)-1/2″, Length: 10-180mm (3/8”- 7”) |
| Head Type | hex , flat, pan, truss, round, hex washer, Oval, pan framing, bugle, fillister |
| Drive Type | Phil, slotted, Phil & slotted combination, hex socket |
| Drill Point | #2, #3 |
| Screw Type | BSD, CSD |
| Material | C1022+ heat treatment |
| Finish | zinc plated(clear/bule/yellow), black/grey phosphate,nickel, ruspert Tapping Screws – Self Drilling Screws |
Only fields present on ehons.cn are shown. Missing values are omitted rather than guessed.
Materials
Carbon steel, alloy steel and/or stainless steel as listed in the specification table for this item.
Manufacturing process
- Wire preparation
- Heading and thread rolling
- Heat treatment where the source lists C1022 + heat treatment
- Coating
- Inspection
- Carton packing on wood pallets
Quality control
- ISO 9001 system cited for production, transport and sales
- Inspecting machines mentioned on the company profile
- Lot packing 15 kg/carton and 48 cartons/pallet where that text appears
Certifications
Company profile states ISO 9001. Individual product pages also name the dimensional standards in the table above. No other certificates were published on the old site.
Customization
- Standard and non-standard sizes where the source says customized sizes are supported
- Finish selection from the list on this sheet
Compared with nearby items
Stay on this sheet if the head and drive match the drawing. Switch to a related product below when the point type (self-tapping vs self-drilling) or thread (fine vs coarse, hi-lo) changes.
Use guide
- Confirm standard (DIN / ANSI / JIS / ASME) on the PO.
- Lock diameter, length, head, drive and point.
- Name the coating and any wax or EPDM washer.
- State packing: bulk cartons on wood pallet unless otherwise agreed.
Frequently asked questions
What is the MOQ for Hex Washer Head Self-Drilling screw,With EPDM Washer?
Where the source states a minimum order, it is 500 kg.
Which ports?
Shanghai or Ningbo, as written on several product pages.
Can I order a sample mixed carton?
Ask sales. Sample policy is not published on the old site, so it is not claimed here.
