Zinc-plated washer head timber screw TX40 8.0×280 mm – partially threaded – pack of 50
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Zinc-plated washer head timber screw, TX40, 8.0×280 mm. Partial thread with a length of 80 mm, head diameter 21.5–23.5 mm. Low-carbon steel with an electroplated zinc coating. For timber structures. Pack of 50.
Product code: 003-203
Product features
[PIM] Wkręty #80
- Material Steel
- Diameter 8
- Length [mm] 280
- Thread partial thread
- Drive TX40
- Coating Zinc plated
- Quantity per pack [pcs] 50
- Head type washer head
Description
Zinc-plated washer head timber screw TX40 8.0×280 mm – partially threaded – pack of 50
The washer head timber screw in size 8.0×280 mm is a fastener for timber structures, with a large washer head that applies clamping pressure over a wide area. The Torx TX40 recess ensures secure bit engagement during driving, while the partial thread is designed for joining timber components.
One shop item is a pack of 50 – a convenient quantity for carpentry and roofing teams working on timber structures.
Low-carbon steel with an electroplated zinc coating is a common choice for wood screws, protecting the fastener against corrosion under typical conditions of use.
Application and selection
- joining timber components in timber structures
- applications requiring strong clamping pressure from a washer head
- joining thick timber sections where the 280 mm length is useful
- use with a power driver fitted with a Torx TX40 bit
When selecting a screw for a specific structure, follow the design and guidelines for the connection in question.
Screw design
The screw has a smooth shank near the head and a threaded section near the tip, equipped with a milling section. The wide washer head with a Torx TX40 recess helps transfer torque from the power driver.
Selecting length and thread
The manufacturer's drawing and table help match thread length to screw length for each diameter. The 8 mm diameter and 280 mm length version has a partial thread, as shown in the dimensional data below.
Design dimensions
The dimensional data lists head diameters, head height, Torx recess size, and shank and thread diameters for the full range of diameters. The 8.0 mm diameter version has a TX40 recess.
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