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Hex Head - Type 17 - Hex
LEED Information for Grabber Screws Technical Data
ICC Evaluation Report ESR-3531 Approval
MSDS/SDS Statement for Grabber Fasteners SD
Lag-Master Video
Lag-Master Literature
Tie & Lag Master ICC Evaluation Report Literature
Bulk Box Count Pack Mini Pack
Item No. Description
GLM300 14 x 3-in Hex Head, Type 17 Point, Galvanized, Bulk (Approx. Pcs. 500)
GLM312 14 x 3-1/2-in Hex Head, Type 17 Point, Galvanized, Bulk (Approx. Pcs. 500)
GLM400 14 x 4-in Hex Head, Type 17 Point, Galvanized, Bulk (Approx. Pcs. 500)
GLM412 14 x 4-1/2-in Hex Head, Type 17 Point, Galvanized, Bulk (Approx. Pcs. 500)
GLM500 14 x 5-in Hex Head, Type 17 Point, Galvanized, Bulk (Approx. Pcs. 500)
GLM600 14 x 6-in Hex Head, Type 17 Point, Galvanized, Bulk (Approx. Pcs. 500)

Lag-Master multi purpose wood fastener for general wood construction, ledger boards, laminated beams, under-deck connections , and dimensional lumber.  Featuring 3/8 hex drive head and DrawTite shank pulling members tight together. Type 17 cutter point eliminates pre-drilling in. Mechanical galvanized exterior technology for corrosion resistance.


  • 14 x 3-in
  • Pulls both wood members together for a secure fastening job.
  • No need to pre-drill
  • LAG-MASTER™ Structural Screw
  • Wood to Wood
  • 3/8-in hex head for ultimate torque
  • ICC compliant - ICC-ESR#3531
Performance Data:

Application: Structural

  • Wood to wood construction
  • Decks, Docks & Boardwalks
  • Retaining walls
  • Laminated beams
  • Rim to joist
  • Joist and ledger
  • Dimensional lumber
  • Deck & fence hardware
  • Under-deck connections

Compliance with the following codes:

  • 2015, 2012, 2009 International Building Code® (IBC)
  • 2015, 2012, 2009 International Residential Code® (IRC)(IBC)
  • All local code requirements must be followed and a design professional should be consulted for proper spacing requirements.
  • BEND YIELD 150,000 (psi)

Lag-Master is a structural corrosion resistant heavy duty wood screw recognized by ICC in ESR 3531 for applications such as, landscape timbers, fences, decks, headers, stair stringers, attaching rafter or trusses to the top plate and more. Lag-Master fasteners may be used in place of ¼” and 3/8" lag screws and is code approved for use in treated lumber. Its friction reducing exterior coating, type 17 point and aggressive 10 TPI threads zip right in to the densest woods.

Lag-Master timber fasteners are mechanically galvanized coated against corrosion B695 Class 55. Grabber’s galvanized coating is ACQ compliant, and is may be used in place of Hot Dipped Galvanized products as described ASTM A153.


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