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MTH: Underlayment to Wood or Steel Screw

Verified by manufacturer 6 months ago

MTHZ25E

Simpson Strong-Tie Variant:
Third party certifications:
  • DoP

    DoP

    Certificate type

Jump to:
01827 255 600 Website

Application

For plywood, chipboard and OSB to wood installations, such as flooring.

Description

The MTH underlayment screw is designed for fast and secure underlayment to subfloor installations. Unlike nails, the MTH underlayment screw has an intricate high-low thread pattern designed to prevent squeaking by holding plywood tight to the subfloor and thus preventing withdrawal. Its countersunk compact trim-head allows for a flush surface finish and prevents floor coverings from settling in countersink recesses.


Features and benefits:

  • Steel with grey phosphate coating or yellow zinc coating.
  • 25 mm and 32 mm lengths CE marked to EN 14592.
  • Deep recessed square drive holds bits tight, reducing cam-outs.
  • High-low thread for easy driving and holding underlayment tight.
  • Specially-designed sharp point for fast starts.
  • Trim-head with nibs for easy countersinking.
  • Plywood or OSB to wood applications.
  • Recommended for installing Fermacell board to steel up to 0.9 mm thickness.
  • Bit (BIT2SE) included in every box for 25 mm and 32 mm screws.
  • Bit (BITL2SE) included in every box for 19 mm screws.

General information

Color

Grey

Yellow

Finish

Coated

Material

Steel

Shape

Circle

Length

19 mm

25 mm

32 mm

Width

3.8 mm

Uniclass

Pr_20_29_76_98 Wood screwsPrimary

CAWS

K11/30 Particleboard flooring

K11/325 Particleboard flooring

K11/315 Plywood flooring

K11/335 Oriented strand board flooring

K11/35 Oriented strand board flooring

K11/37 Plywood flooring

Specification data - Wood screws

Standard

To BS EN 14592.

Material

Steel.

Finish

Yellow zinc coating.

Screw details

-

Head option

Countersunk head.

Screw pattern

Fully threaded shank.

Size

-

Diameter

3.8 mm.

Length

25 mm.

Service class

1.

Third party certifications

DoP

DoP

Declaration of Perfomance DoP-h13/0007

Literature

MTH: Underlayment to Wood or Steel Screw Technical Data Sheet

MTH: Underlayment to Wood or Steel Screw Technical Data Sheet