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Big Timber CTX Construction Lag Screws

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Big Timber CTX Construction Lag Screws

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CTX Construction Lag Screws

Big Timber CTX Construction Lag Screws are heat treated and hardened, these screws are stronger & more durable than ordinary lag screws. Big Timber Lag Screws have deep cutting threads for quick, easy driving and a sharp notched point for exact, quick starting with less “walking”. A built-on round washer head with smooth edges gives a professional finish. The Ceramic Coating provides 1200-hour corrosion resistance in both ACQ and salt spray conditions. These screws will come out as easy as they go in. Depending on size, CTX screws are available in #14 or #17 sizes by 50ct, 100pc jars, & Bulk Boxes, depending on selection.

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Big Timber CTX Construction Lag Screws feature:

  • 1200-hour corrosion resistance in both ACQ and salt spray conditions
  • Outstanding abrasion resistance
  • Provide maximum holding power
  • Cut cleanly & easily

Sizes Available:

  • #14 x 1", 1-1/2" - Uses T25 Bit
  • #17 x 5", 6", 7", 8" 10" 12", 14", 16" - Uses T40 Bit



  • Thread Diameter: .25
  • Head Diameter: .54
  • Shank Diameter: .167


  • Thread Diameter: .310
  • Head Diameter:11/16"
  • Shank Diameter: .226

View Big Timber's Testing Reports

Big Timber ICC-ES Report Big Timber ESR-3534 Report

Big Timber Mechanical Test Report Big Timber AC233 Mechanical Testing Of Fasteners Report

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Manufacturer Big Timber
Package Quantity Big Timber Lag Screws are available in 50pc, 100pc, & bulk sizes depending on variety
Dimensions #14 or #17 in lengths from 1" - 16" depending on variety
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Big Timber Screws from Western Builders Supply

Big Timber Screws from Western Builders Supply are the highest quality screws around. Big Timber Screws are perfect for deck installation, deck framing, rail installation, and more. If you are more technical minded, view Big Timber's AC233 Mechanical Testing of Fasteners and their ESR-3534 reports.

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  1. Great Product. Very Quick Shipping review by Jesse on 2/28/2020
    Overall Product Rating

    Deck Store online had great pricing on this product with free shipping! The product shipped and was received very quickly for being so heavy. The screws and packaging were very well protected and packaged very well. I will definitely utilize the Deck Store for future purchases.

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