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Lab Tested Simpson Strong-tie Sdcf22434 (0.315" X 4-3/4" T40) Strong-drive Sdcf Timber-cf Screw, Yellow Zinc (250 Pack) Bonkers Deal: 85% Off [mqVKGyhI]

$62.99 $201.99 -69%

Simpson Strong-Tie SDCF22434 Description The Simpson Strong-Drive SDCF Timber-CF screw is a structural fastener designed specifically for cross-laminated timber construction, mass timber construction, and general interior applications. Simpson Stron

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Lab Tested Simpson Strong-tie Sdcf22434 (0.315" X 4-3/4" T40) Strong-drive Sdcf Timber-cf Screw, Yellow Zinc (250 Pack) Bonkers Deal: 85% Off [mqVKGyhI]

Simpson Strong-Tie SDCF22434 Description

The Simpson Strong-Drive SDCF Timber-CF screw is a structural fastener designed specifically for cross-laminated timber construction, mass timber construction, and general interior applications.

Simpson Strong-Tie SDCF22434 Includes

  • (250) Strong-Drive SDCF Timber-CF Screw

Simpson Strong-Tie SDCF22434 Features

  • Designed to be countersunk with head flush to wood surface
  • Fully threaded to provide high withdrawal resistance
  • Flat head with nibs helps countersink the screw for a flush finish
  • Heavy-duty, fully-threaded shank provides strength, with superb withdrawal resistance
  • Head stamp includes length in mm for inspection
  • Interior grade yellow-zinc coating
  • Deep 6-lobe recess for a secure drive

Simpson Strong-Tie SDCF22434 Applications

  • Beam reinforcement
  • Wall-to-wall connections
  • Floor-to-floor connections
  • Support beams
  • Butt joints

Simpson Strong-Tie SDCF22434 Specifications

Diameter 0.315"
Finish Yellow Zinc
Length 4-3/4"
Material Carbon Steel
Drive type T40 Star Drive
Head diameter 0.59"
Head type Flat Head with Nibs
Manufacturer name Simpson Strong-Tie
Point type Half Point
Quantity 250
Thread length 4-1/4"

NOTE: The correct fasteners installed in the correct position must be used to achieve published load values.

What Our Customers Say

January 23, 2026

Absolutely no complaints!

I'm very satisfied with the build quality.

- Jaxson G..

January 23, 2026

Absolutely no complaints!

It’s a very well-supported product with an active and helpful community.

- Community_Member_Carl.

January 23, 2026

Absolutely no complaints!

This is a very solid and reliable purchase.

- Maxine T..

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