CTX
Construction Lag Screw
- Construction lag screw for log construction, timber frames, laminated beams, girders, ledger boards, stair rails, deck posts, and fencing
- Round washer head and star drive support heavy wood fastening
- 3X bronze coating for exterior or interior use with pressure-treated lumber
- Type 17 point helps start quickly in wood
| Material | Steel |
|---|---|
| Primary Applications | Deck framing, ledger boards, stair rails, deck posts, fencing, timber frames, laminated beams, girders, log construction, heavy wood construction |
| Product Color | Bronze |
| Prop 65 Warning | WARNING: This product contains a chemical known to the State of California to cause cancer, or birth defects or other reproductive harm |
| Ter Number | 1907-01, 2104-04, 1907-04, 1907-03, 1911-05, 2104-04-FR |
Benefits & Features
- Structural Wood Applications: Built for log construction, timber frames, laminated beams, girders, ledger boards, stair rails, deck posts, and fencing
- Round Washer Head: Built-in washer head increases bearing area for heavy wood fastening and structural lag screw applications
- Star Drive: Star drive supports high-torque installation in demanding wood construction work
- Exterior Bronze Coating: 3X bronze coating supports exterior or interior use and is compatible with pressure-treated lumber when supported by the product data
- Type-17 Point And Thread: Type-17 point, aggressive thread, and wood-cutting features help reduce splitting and support strong withdrawal resistance
Videos
CTX Product Drill Down
CTX Video demo
SKU Specifications
| SKU | Description | Gauge | Screw Length | Drive Size | Quantity Per Selling Unit | Bit Included | Product Color |
|---|---|---|---|---|---|---|---|
| CTX1716-50-CAN | 17 x 16" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 50 Count | 17 | 16 | T-40 | 50 | Yes | Bronze |
| CTX155-CAN | 15 x 5" CTX 3X Bronze T-30 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 350 Count | 15 | 5 | T-30 | 350 | No | Bronze |
| CTX154-100-CAN | 15 x 4" CTX 3X Bronze T-30 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 100 Count | 15 | 4 | T-30 | 100 | Yes | Bronze |
| CTX154-25-CAN | 15 x 4" CTX 3X Bronze T-30 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 25 Count | 15 | 4 | T-30 | 25 | Yes | Bronze |
| CTX1716-CAN | 17 x 16" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 250 Count | 17 | 16 | T-40 | 250 | No | Bronze |
| CTX1714-50-CAN | 17 x 14" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 50 Count | 17 | 14 | T-40 | 50 | Yes | Bronze |
| CTX1714-CAN | 17 x 14" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 250 Count | 17 | 14 | T-40 | 250 | No | Bronze |
| CTX1712-50-CAN | 17 x 12" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 50 Count | 17 | 12 | T-40 | 50 | Yes | Bronze |
| CTX1712-CAN | 17 x 12" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 250 Count | 17 | 12 | T-40 | 250 | No | Bronze |
| CTX154-CAN | 15 x 4" CTX 3X Bronze T-30 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 400 Count | 15 | 4 | T-30 | 400 | No | Bronze |
| CTX153-CAN | 15 x 3" CTX 3X Bronze T-30 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 500 Count | 15 | 3 | T-30 | 500 | No | Bronze |
| CTX153-100-CAN | 15 x 3" CTX 3X Bronze T-30 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 100 Count | 15 | 3 | T-30 | 100 | Yes | Bronze |
| CTX153-25-CAN | 15 x 3" CTX 3X Bronze T-30 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 25 Count | 15 | 3 | T-30 | 25 | Yes | Bronze |
| CTX14212-CAN | 14 x 2-1/2" CTX 3X Bronze T-25 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 750 Count | 14 | 2-1/2 | T-25 | 750 | No | Bronze |
| CTX1710-50-CAN | 17 x 10" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 50 Count | 17 | 10 | T-40 | 50 | Yes | Bronze |
| CTX1710-CAN | 17 x 10" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 250 Count | 17 | 10 | T-40 | 250 | No | Bronze |
| CTX178-25-CAN | 17 x 8" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 25 Count | 17 | 8 | T-40 | 25 | Yes | Bronze |
| CTX178-100-CAN | 17 x 8" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 100 Count | 17 | 8 | T-40 | 100 | Yes | Bronze |
| CTX178-CAN | 17 x 8" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 250 Count | 17 | 8 | T-40 | 250 | No | Bronze |
| CTX142-100-CAN | 14 x 2" CTX 3X Bronze T-25 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 100 Count | 14 | 2 | T-25 | 100 | Yes | Bronze |
| CTX14112-CAN | 14 x 1-1/2" CTX 3X Bronze T-25 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 1500 Count | 14 | 1-1/2 | T-25 | 1500 | No | Bronze |
| CTX142-CAN | 14 x 2" CTX 3X Bronze T-25 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 1000 Count | 14 | 2 | T-25 | 1000 | No | Bronze |
| CTX177-25-CAN | 17 x 7" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 25 Count | 17 | 7 | T-40 | 25 | Yes | Bronze |
| CTX177-100-CAN | 17 x 7" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 100 Count | 17 | 7 | T-40 | 100 | Yes | Bronze |
| CTX177-CAN | 17 x 7" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 250 Count | 17 | 7 | T-40 | 250 | No | Bronze |
| CTX176-25-CAN | 17 x 6" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 25 Count | 17 | 6 | T-40 | 25 | Yes | Bronze |
| CTX176-100-CAN | 17 x 6" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 100 Count | 17 | 6 | T-40 | 100 | Yes | Bronze |
| CTX176-CAN | 17 x 6" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 250 Count | 17 | 6 | T-40 | 250 | No | Bronze |
| CTX175-25-CAN | 17 x 5" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 25 Count | 17 | 5 | T-40 | 25 | Yes | Bronze |
| CTX175-100-CAN | 17 x 5" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 100 Count | 17 | 5 | T-40 | 100 | Yes | Bronze |
| CTX175-CAN | 17 x 5" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 300 Count | 17 | 5 | T-40 | 300 | No | Bronze |
| CTX174-25-CAN | 17 x 4" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 25 Count | 17 | 4 | T-40 | 25 | Yes | Bronze |
| CTX174-100-CAN | 17 x 4" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 100 Count | 17 | 4 | T-40 | 100 | Yes | Bronze |
| CTX174-CAN | 17 x 4" CTX 3X Bronze T-40 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 350 Count | 17 | 4 | T-40 | 350 | No | Bronze |
| CTX156-100-CAN | 15 x 6" CTX 3X Bronze T-30 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 100 Count | 15 | 6 | T-30 | 100 | Yes | Bronze |
| CTX156-25-CAN | 15 x 6" CTX 3X Bronze T-30 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 25 Count | 15 | 6 | T-30 | 25 | Yes | Bronze |
| CTX156-CAN | 15 x 6" CTX 3X Bronze T-30 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 300 Count | 15 | 6 | T-30 | 300 | No | Bronze |
| CTX155-100-CAN | 15 x 5" CTX 3X Bronze T-30 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 100 Count | 15 | 5 | T-30 | 100 | Yes | Bronze |
| CTX155-25-CAN | 15 x 5" CTX 3X Bronze T-30 Star Drive Round Washer Head Type-17 Point Construction Lag Screw, 25 Count | 15 | 5 | T-30 | 25 | Yes | Bronze |
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