Feature

●Bronze Coated: Our CTX wood screws feature hot-dipped bronze coatings that extend the life of the screw and meet all international building codes
●Round Washer Head: A built-on round washer head with smooth edges gives a professional finish and increased pull through strength
●Heat-Treated: Our process produces hardened steel for the highest tensile and shear strength in durability testing
●Star Drive: The type 17 point enables fast, precise starts that all but eliminate “walking”

[14 x 4   5LB]





Description

CTX Round Washer Head Screws - Exterior/Interior Use - Round Washer Head - Star DriveCTX Round Washer Head Screws - Exterior/Interior Use - Round Washer Head - Star Drive
Mountain TestedMountain Tested

CTX Exterior/Interior Wood Lag Screws

Our 3X bronze-coated structural wood lag screws feature hardened steel for high tensile and shear strength for interior and exterior use. Since1945, Big Timber Fasteners has focused on quality so you can get the job done right. Mountain Tested means our screws stay strong in the toughest conditions.

Man using CTX wood screwsMan using CTX wood screws

CTX Screw Features , Star Drive, 3 X Coating, Aggressive knurl, v-cut notches, type 17 tipCTX Screw Features , Star Drive, 3 X Coating, Aggressive knurl, v-cut notches, type 17 tip

ACQ compatible, DRJ testedACQ compatible, DRJ tested

Versatile Fasteners

The CTX is constructed with the full range of projects in mind that pros and weekend warriors can expect to encounter. Build with confidence knowing you’ve got the right tool to perform in a variety of settings.

  • Log Construction
  • Timber Frames
  • Laminated Beams
  • Girders
  • Ledger Boards
  • Stair Rails
  • Deck Posts
  • Fencing
  • SIP Panels - Pole Barns

Built-in Quality

Designed from the ground up with all the features professional contractors appreciate.

  • Aggressive knurl enlarges hole to reduce splitting and drag to help draw wood together
  • V-Cut notches on threads cut fibers for easy insertion
  • Type-17 tip delivers fast, precise starts and eliminates “walking”
  • Aggressive thread for great withdrawal strength
  • Deep six-lobe star drive reduces cam-out end load to handle twice the torque
  • Built-in washer head for increased pull-through strength

Proven Performance

Our specialty construction screws have earned a reputation for holding up in the toughest conditions.

  • CTX structural construction screws are manufactured in ISO 9002 quality certified factories
  • Our wood screws are International Building Code and International Residential Code Compliant and backed by certified independent testing with Dr. J (TER 1911-01)
  • Your wood is safe. Our screws can be used with ACQ pressure-treated lumber
BTX Screws CTX Screws YTX Screws
BTX Screws CTX Screws YTX Screws
Sizes Available #8 - #14 (3/4" - 8") #14 (1" - 6"). #15 (2" - 6") #17 (4" - 16") #8 - #10 (1" - 6")
Coating 3X Bronze Coating 3X Bronze Coating Gold Zinc Coating
Head Flat Round Washer Flat
Drive Type Star Drive Star Drive Star Drive
Exterior/Interior Use Exterior and Interior Exterior and Interior Interior Use Only
Screw Type Structural Wood Screw Structural Wood Lag Screw Structural Wood Screw
ACQ Compatible ✓ ✓
Code Compliant ✓ ✓ ✓
Mountain Tested, Tough Durable ReliableMountain Tested, Tough Durable Reliable

Whats in the box

  • Construction Lag Screws