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Color Zinc Plated Q235 Carbon Steel Hex Head Self Drilling Screws for Sheet Metal Roofing

Q235 carbon steel self drilling screws with external hex heads and a color zinc plated finish. Seven ST4.2 size combinations are listed with nominal lengths from 20 to 50 mm.
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Color Zinc Plated Q235 Carbon Steel Hex Head Self Drilling Screws for Sheet Metal Roofing

Product Overview

Q235 carbon steel self drilling screws with external hex heads and a color zinc plated finish. Seven ST4.2 size combinations are listed with nominal lengths from 20 to 50 mm.

Specifications

Company SKU

SCR-19

Product type

Hex head self drilling screw

Material

Q235 carbon steel

Surface finish

Color zinc plated

Head type

External hex head

Tip form

Drill point

Nominal thread designation

ST4.2

Listed nominal screw diameter

4.2 mm

Application

Sheet metal roofing

Origin

China
 

 

Available Variants

Size designation

Thread designation

Nominal length (mm)

4.2 x 20

ST4.2

20

4.2 x 25

ST4.2

25

4.2 x 30

ST4.2

30

4.2 x 35

ST4.2

35

4.2 x 40

ST4.2

40

4.2 x 45

ST4.2

45

4.2 x 50

ST4.2

50

Packing & Delivery

Packing

·       Protective materials are selected to suit the product's shape, size and weight.

·       Outer cartons are selected for the product and export transport requirements.

·       Small parts are bagged by model and specification, with product and quantity labels.

·       Corner protection, reinforcement or pallets are arranged as required.

·       Logo, packing dimensions and shipping marks can be customized to order requirements.

Delivery

·       Sample orders: 3–5 working days.

·       Bulk orders: 10–20 working days, depending on order quantity.

·       In-stock items: dispatch within 48 hours.

·       Shipping options: DHL, FedEx or sea freight.

·       Delivery schedules are confirmed with the order.

Description

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