Concrete Screws

CobraTork™ - Zinc Plated

The Cobra Tork™ ZP heavy duty concrete screw anchor features a raised head for better grip, a notched thread making it easier to cut through the concrete, and cavities designed to collect the debris. Also, the anchor can be easily removed if required. One-piece concept: Just drill and drive.

Features and benefits
  • Size stamped on head for easy identification.
  • Shallow embedment.
  • Corrosion resistant.
  • Raised head for better grip formed with anti rotation washer.
  • Chamfered tip to facilitate the insertion.
  • Notched thread making it easier to cut through the concrete.
  • Special body design with cavities to collect the debris.
View all selection
Installation Tools
Drill Wrench
Mounting Surface
Concrete Hollow brick Hollow-block
Video

Applications
  • Bleachers
  • Heat pumps
  • Machinery
  • Racking
  • Thermo pumps
Installation Guide

  1. Drill a hole into the base material to a depth of at least 1/4'' (Deeper than installation anchor depth).
  2. Clean hole using a dust blower or compressed air.
  3. Insert the anchor through the fixture into the anchor hole. Tighten the anchor by rotating clockwise and applying pressure towards the base material.
  4. Continue tightening the anchor until the head is firmly seated against the fixture.

Note: In extremely dense materials, use of an impact wrench is recommended.

Technical Specifications
SKU Description Anchors Per Pack Safe Load Weight (Ibs) Drill size Min embedment DRILL BIT Per Pack Packaging
966CWZ COBRA TORK ZINC PLATED 5/16" X 3" (X50) 50 1447 5/16'' COBRA TORK ZINC PLATED 5/16" X 3" (X50)
971CWZ COBRA TORK 3/8" X 2 1/2" ZINC PLATED (X50) 50 1054 3/8'' 2" COBRA TORK 3/8" X 2 1/2" ZINC PLATED (X50)
972CWZ COBRA TORK 3/8" X 3" ZINC PLATED (X50) 50 1518 3/8" 2-1/2'' COBRA TORK 3/8" X 3" ZINC PLATED (X50)
973CWZ COBRA TORK 3/8" X 4" ZINC PLATED (X50) 50 3/8'' 3-1/2" COBRA TORK 3/8" X 4" ZINC PLATED (X50)
980CWZ COBRA TORK 1/2" X 2 1/2" ZINC PLATED (X40) 40 1126 1/2'' 2" COBRA TORK 1/2" X 2 1/2" ZINC PLATED (X40)
981CWZ COBRA TORK 1/2" X 3" ZINC PLATED (X40) 40 1676 1/2'' 2-1/2'' COBRA TORK 1/2" X 3" ZINC PLATED  (X40)
982CWZ COBRA TORK 1/2" X 4" ZINC PLATED (X40) 40 2623 1/2'' 3-1/2" COBRA TORK 1/2" X 4" ZINC PLATED (X40)
962RWZ COBRA TORK 1/4" X 3" ZINC PLATED (+ DRILL BIT) (X6) 6 1389 1/4" 2-1/2'' 1 COBRA TORK 1/4" X 3" ZINC PLATED (+ DRILL BIT) (X6)
965RWZ COBRA TORK 5/16" X 2 1/4" ZINC PLATED (+ DRILL BIT) (X4) 4 1282 5/16'' 2'' 1 COBRA TORK 5/16" X 2 1/4" ZINC PLATED (+ DRILL BIT) (X4)
966RWZ COBRA TORK 5/16" X 3" ZINC PLATED (+ DRILL BIT) (X4) 4 1447 5/16'' 2-3/4'' 1 COBRA TORK 5/16" X 3" ZINC PLATED (+ DRILL BIT) (X4)
970RWZ COBRA TORK 3/8" X 1 3/4" ZINC PLATED (+ DRILL BIT) (X6) 6 689 3/8" 1-1/2'' 1 COBRA TORK 3/8" X 1 3/4" ZINC PLATED (+ DRILL BIT) (X6)
971RWZ COBRA TORK 3/8" X 2 1/2" ZINC PLATED (+ DRILL BIT) (X4) 4 1054 3/8" 2" 1 COBRA TORK 3/8" X 2 1/2" ZINC PLATED (+ DRILL BIT) (X4)
972RWZ COBRA TORK ZINC PLATED 3/8" X 3" (+ DRILL BIT) (X4) 4 1518 3/8'' 2-1/2" 1 COBRA TORK ZINC PLATED 3/8" X 3" (+ DRILL BIT) (X4)
973RWZ COBRA TORK 3/8" X 4" ZINC PLATED (+ DRILL BIT) (X4) 4 2756 3/8" 3-1/2" 1 COBRA TORK 3/8" X 4" ZINC PLATED  (+ DRILL BIT) (X4)
980RWZ COBRA TORK 1/2" X 2 1/2" ZINC PLATED (+ DRILL BIT) (X4) 4 1126 1/2'' 2'' 1 COBRA TORK 1/2" X 2 1/2" ZINC PLATED (+ DRILL BIT) (X4)
981RWZ COBRA TORK 1/2" X 3" ZINC PLATED (+ DRILL BIT) (X4) 4 1676 1/2'' 2'' 1 COBRA TORK 1/2" X 3" ZINC PLATED  (+ DRILL BIT) (X4)
982RWZ COBRA TORK 1/2" X 4" ZINC PLATED (+ DRILL BIT) (X4) 4 2623 1/2'' 3-1/2" 1 COBRA TORK 1/2" X 4" ZINC PLATED (+ DRILL BIT) (X4)
965TWZ COBRA TORK 5/16" X 2 1/4" ZINC PLATED (X20) 20 1282 5/16'' 2'' COBRA TORK 5/16" X 2 1/4" ZINC PLATED (X20)
966TWZ COBRA TORK 5/16" X 3" ZINC PLATED (X20) 20 1447 5/16'' 2-3/4'' COBRA TORK 5/16" X 3"  ZINC PLATED (X20)
961TWZ COBRA TORK 1/4" X 2 1/4" (X30) 30 1259 1/4" 2" COBRA TORK 1/4" X 2 1/4" (X30)
970TWZ COBRA TORK 3/8" X 1-3/4" ZINC PLATED (X25) 25 689 3/8" 1-1/2'' COBRA TORK 3/8" X 1-3/4" ZINC PLATED (X25)
973RWZ COBRA TORK 3/8" X 4" (+ DRILL BIT) (X4) 4 2756 3/8" 3-1/2" 1 COBRA TORK 3/8" X 4" (+ DRILL BIT) (X4)
971TWZ COBRA TORK 3/8" X 2-1/2" ZINC PLATED (X20) 20 1054 3/8'' 2'' COBRA TORK 3/8" X 2-1/2" ZINC PLATED (X20)
981RWZ COBRA TORK 1/2" X 3" (+ DRILL BIT) (X4) 4 1676 1/2'' 2-1/2" 1 COBRA TORK 1/2" X 3" (+ DRILL BIT) (X4)
972TWZ COBRA TORK 3/8" X 3" ZINC PLATED (X15) 15 1518 3/8" 2-1/2'' COBRA TORK 3/8" X 3" ZINC PLATED (X15)
960TWZ COBRA TORK 1/4" X 1-3/4" (X50) 50 734 1/4" 1-1/2'' COBRA TORK 1/4" X 1-3/4" (X50)
973TWZ COBRA TORK 3/8" X 4" ZINC PLATED (X10) 10 2756 3/8" 3-1/2" COBRA TORK 3/8" X 4" ZINC PLATED (X10)
980TWZ COBRA TORK 1/2" X 2-1/2" ZINC PLATED (X10) 10 1126 1/2'' 2" COBRA TORK 1/2" X 2-1/2" ZINC PLATED (X10)
970T COBRA TORK 3/8" X 1-3/4" (X25) 25 689 3/8" 1-1/2'' COBRA TORK 3/8" X 1-3/4" (X25)
981TWZ COBRA TORK 1/2" X 3" (X10) 10 1676 1/2'' 2-1/2" COBRA TORK 1/2" X 3" (X10)
981TWZ COBRA TORK 1/2" X 3" ZINC PLATED (X10) 10 1676 1/2'' 2-1/2" COBRA TORK 1/2" X 3" ZINC PLATED  (X10)
960RWZ COBRA TORK 1/4" X 1 3/4" (+ DRILL BIT) (X8) ZINC PLATED 8 734 1/4" 1-1/2'' 1 COBRA TORK  1/4" X 1 3/4" (+ DRILL BIT) (X8) ZINC PLATED
982TWZ COBRA TORK 1/2" X 4" ZINC PLATED (X10) 10 2623 1/2'' 3-1/2" COBRA TORK  1/2" X 4" ZINC PLATED (X10)
962R COBRA TORK 1/4" X 3" (+ DRILL BIT) (X6) 6 1389 1/4" 2-1/2'' 1 COBRA TORK 1/4" X 3" (+ DRILL BIT) (X6)
970CWZ COBRA TORK 3/8" X 1 3/4" ZINC PLATED (X50) 50 689 3/8" 1-1/2'' COBRA TORK 3/8" X 1 3/4" ZINC PLATED (X50)
965CWZ COBRA TORK 5/16" X 2 1/4" ZINC PLATED (X50) 50 1282 5/16'' 2" COBRA TORK 5/16" X 2 1/4" ZINC PLATED (X50)
971R COBRA TORK 3/8" X 2 1/2" (+ DRILL BIT) (X4) 4 1054 3/8" 2" 1 COBRA TORK 3/8" X 2 1/2" (+ DRILL BIT) (X4)
980RWZ COBRA TORK 1/2" X 2 1/2" (+ DRILL BIT) (X4) 4 1126 1/2'' 2" 1 COBRA TORK 1/2" X 2 1/2" (+ DRILL BIT) (X4)
962CWZ COBRA TORK 1/4" X 3" ZINC PLATED (X50) 50 1389 1/4" 2-1/2" COBRA TORK 1/4" X 3" ZINC PLATED  (X50)
961CWZ COBRA TORK 1/4" X 2 1/4" ZINC PLATED (X50) 50 1259 1/4" 2" COBRA TORK 1/4" X 2 1/4" ZINC PLATED (X50)
965TWZ COBRA TORK 5/16" X 2 1/4" (X20) 20 1282 5/16" 2" COBRA TORK 5/16" X 2 1/4" (X20)
970R COBRA TORK 3/8" X 1 3/4" (+ DRILL BIT) (X6) 6 689 3/8" 1-1/2'' 1 COBRA TORK 3/8" X 1 3/4" (+ DRILL BIT) (X6)
970CWZ COBRA TORK 3/8" X 1 3/4" (X50) 50 689 3/8" 1-1/2'' COBRA TORK 3/8" X 1 3/4" (X50)
971T COBRA TORK 3/8" X 2-1/2" (X20) 20 1054 3/8" 2" COBRA TORK 3/8" X 2-1/2" (X20)
980TWZ COBRA TORK 1/2" X 2-1/2" (X10) 10 1126 1/2'' 2" COBRA TORK 1/2" X 2-1/2" (X10)
980CZ COBRA TORK 1/2" X 2 1/2" (X50) 40 1126 2" COBRA TORK 1/2" X 2 1/2" (X50)