Certificate of conformity
Can be issued against the confirmed order requirements.
Self-Tapping & Self-Drilling Screws
Countersunk Self-Tapping Screw ISO 7050
ISO 7050 · ST2.9, ST3.5, ST4.2 and other confirmed options · Stainless Steel, Carbon Steel
ISO 7050 (Current)
- Material
- Stainless Steel, Carbon Steel
- Finish
- Passivated, Plain, Zinc Plated, Dacromet and more
- Availability
- In Stock
Final supply details are confirmed against your quotation.
Available with the order
Order assurance
The supplier has confirmed that the options below can be agreed for this product. The exact scope is fixed in the quotation or order.EN 10204 3.1 material certificate
Can be included when agreed in the order.
Dimensional inspection report
Can be provided for the agreed inspection scope.
Bulk carton packing
Available subject to confirmed piece weight and shipping requirements.
Palletized shipment
Available when pallet size and handling requirements are confirmed.
Inner poly bags
Items can be bagged before cartoning to limit moisture and loose parts in transit.
Buyer-branded packaging
Available once artwork and the minimum batch for branded packing are agreed.
Buyer-specified labels
Available after label content and placement are approved.
Fumigation-free pallets
Plywood or pressed-wood pallets can be used where ISPM-15 marking is not wanted.
Small boxes with outer cartons
Available when the box quantity and labels are agreed.
PUBLISHED SUPPLY RANGE
59 rowsChoose a specification and add quantity.
Available options
Material
Finish
59 sizes
| diameter | length | driveNo | MOQ | Quantity and inquiry |
|---|---|---|---|---|
| ST3.5 | 25 | 2 | 2000 | |
| ST3.5 | 32 | 2 | 2000 | |
| ST3.5 | 38 | 2 | 2000 | |
| ST3.5 | 45 | 2 | 2000 | |
| ST3.5 | 50 | 2 | 2000 | |
| ST4.2 | 9.5 | 2 | 2000 | |
| ST4.2 | 13 | 2 | 2000 | |
| ST4.2 | 16 | 2 | 2000 | |
| ST4.2 | 19 | 2 | 2000 | |
| ST4.2 | 22 | 2 | 2000 | |
| ST4.2 | 25 | 2 | 2000 | |
| ST4.2 | 32 | 2 | 2000 | |
| ST4.2 | 38 | 2 | 2000 | |
| ST4.2 | 45 | 2 | 2000 | |
| ST4.2 | 50 | 2 | 2000 | |
| ST4.8 | 9.5 | 2 | 2000 |
ST3.5 × 25 × 2
diameterST3.5
length25
driveNo2
MOQ2000
ST3.5 × 32 × 2
diameterST3.5
length32
driveNo2
MOQ2000
ST3.5 × 38 × 2
diameterST3.5
length38
driveNo2
MOQ2000
ST3.5 × 45 × 2
diameterST3.5
length45
driveNo2
MOQ2000
ST3.5 × 50 × 2
diameterST3.5
length50
driveNo2
MOQ2000
ST4.2 × 9.5 × 2
diameterST4.2
length9.5
driveNo2
MOQ2000
ST4.2 × 13 × 2
diameterST4.2
length13
driveNo2
MOQ2000
ST4.2 × 16 × 2
diameterST4.2
length16
driveNo2
MOQ2000
ST4.2 × 19 × 2
diameterST4.2
length19
driveNo2
MOQ2000
ST4.2 × 22 × 2
diameterST4.2
length22
driveNo2
MOQ2000
ST4.2 × 25 × 2
diameterST4.2
length25
driveNo2
MOQ2000
ST4.2 × 32 × 2
diameterST4.2
length32
driveNo2
MOQ2000
ST4.2 × 38 × 2
diameterST4.2
length38
driveNo2
MOQ2000
ST4.2 × 45 × 2
diameterST4.2
length45
driveNo2
MOQ2000
ST4.2 × 50 × 2
diameterST4.2
length50
driveNo2
MOQ2000
ST4.8 × 9.5 × 2
diameterST4.8
length9.5
driveNo2
MOQ2000
PRODUCT OVERVIEW
Technical facts at a glance.
This is a countersunk head self-tapping screw manufactured to ISO 7050. It features a cross recess drive and a self-tapping thread. The screw is supplied in carbon steel or stainless steel, with finishes including zinc plated, Dacromet, Ruspert, phosphate, plain, or passivated. Available diameters are ST2.9 and ST3.5, with lengths from 6.5 to 50. When requesting a quotation, specify the diameter, length, material, and finish.
Features
- Countersunk head sits flush with the surface
- Cross recess drive for standard installation tools
- Self-tapping thread forms its own mating thread in a pilot hole
- Available in ST2.9 and ST3.5 diameters with multiple lengths
Applications
- Sheet metal assembly, Enclosure and cabinet fixing, HVAC ducting and light fabrication
EXECUTION BASIS
Standards and documents.
Confirm the exact standard, edition, material and document scope in the order.
BEFORE QUOTATION
Product questions
What sizes of Countersunk Self-Tapping Screw ISO 7050 do you supply?
Execution standard: ISO 7050. The confirmed specification table covers 2.9–6.3 diameters and 6.5–50 lengths. Use the specification table to select the exact variant required for quotation.
Which materials, grades and finishes can I order?
Material: Stainless Steel, Carbon Steel; Finish: Passivated, Plain, Zinc Plated, Dacromet, Ruspert, Phosphate. Availability should be confirmed against the selected specification and order quantity.
What quality documents do you provide with the shipment?
Certificate of conformity, EN 10204 3.1 material certificate, Dimensional inspection report can be provided when the exact document scope is agreed in the quotation or order.
What is the minimum order quantity, and how is it packed?
Confirmed packing options include Bulk carton packing, Palletized shipment, Inner poly bags, Buyer-branded packaging, Buyer-specified labels, Fumigation-free pallets, Small boxes with outer cartons.
Where are these self-tapping screws typically used?
Typical applications include Sheet metal assembly, Enclosure and cabinet fixing, HVAC ducting and light fabrication. Final suitability depends on the selected material, grade, finish and operating conditions.
What do you need from me to prepare a quotation?
Please provide the required standard, diameter or size, length, material, finish, quantity, delivery destination. A drawing or sample reference is useful when the requirement is non-standard.
