#17×16″ CTX T-40 Construction Lag Screws




#17×10″ CTX T-40 Construction Lag Screws

The Superior Alternative to the Common Lag Screw

Heat treated & hardened, these screws are stronger & more durable than ordinary lag screws. They have deep cutting threads for quick, easy driving & a sharp notched point for exact, quick starting with less “walking”. A built-on round washer head with smooth edges gives a professional finish.

Available Sizes: 1 piece, 50 piece, 250 piece

Big Timber CTX Construction Lag Screw Features:

  • Triple Coating
    • 1200-hour corrosion resistance in both ACQ and salt spray conditions
    • Outstanding abrasion resistance
  • Deep, Wide, Sharp Threads
    • Provide maximum holding power
    • Clean & easy installation
  • No Additional washer needed!
  • Heat treated & hardened
  • Easily removable & reuseable
  • Unique design reduces need for pre-drilling


CTX Standard Lag Screw Dimensions

14 15 17
Thread Diameter .25 .265 .310
Head Diameter .54 5/8″ 11/16″
Shank Diameter .167 .205 .226
Recess Size T-25 T-30 T-40



Color Family Bronze Head Style Washer Head
Drive Style Star Included
Fastener Plating Bronze Interior/Exterior Interior, Exterior
Fastener Type Lag Screw Measurement Standard SAE
Fastener/Connector Material Steel Package Quantity
Features ACQ Rated, Coated Product Weight 1lb, 25 lbs
Fastener Thread Type Standard Returnable
Finish Bronze Size #17


WBS warrants its products to be free from defects in material and manufacturing. When WBS has determined that a product is defective, it will be replaced at no cost. This warranty does not apply to any labor costs, or any other charges that may be incurred in the installation, repair, or replacement of the product. NO OTHER WARRANTY IS IMPLIED.

Additional information

Weight 0.095254 lbs
Dimensions N/A
BL Screw Sizes

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Big Timber

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