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Strong-Drive® SDCF TIMBER-CF Screw (Black E-Coat)

The newly redesigned Strong-Drive SDCF Timber-CF screw is a structural fastener designed for cross-laminated timber (CLT), mass timber construction and general interior applications, providing uncompromised strength for demanding applications. The large flat head with underhead nibs enables clean countersinking and a flush finish. The SawTooth® point ensures fast starts, reducing installation torque and eliminating the need for predrilling in most applications. The black e-coat finish enhances aesthetics and, along with the optimized hardness profile, helps mitigate risk of brittle fracture for reliable, long-term performance.

Key Features
  • Flat head with nibs helps countersink the screw for a flush finish
  • Heavy-duty, fully threaded shank provides strength, with superb withdrawal resistance
  • SawTooth point for fast start and easy driving
  • Black e-coat finish provides a construction-durable nonmetallic coating for corrosion resistance in interior dry-service applications
  • View More Product Details
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Unit of Measure
1 

Item #

Item Name

Price

SDCF8X120 N/A 0.315" x 4-3/4" (4-1/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCF8X120-R50 N/A 0.315" x 4-3/4" (4-1/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCF8X140 N/A 0.315" x 5-1/2" (5-1/8" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCF8X140-R50 N/A 0.315" x 5-1/2" (5-1/8" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCF8X160-R50 N/A 0.315" x 6-1/4" (5-7/8" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCF8X180 N/A 0.315" x 7" (6-5/8" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCF8X180-R50 N/A 0.315" x 7" (6-5/8" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCF8X200 N/A 0.315" x 7-7/8" (7-1/2" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCF8X200-R50 N/A 0.315" x 7-7/8" (7-1/2" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCF8X220 N/A 0.315" x 8-5/8" (8-1/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCF8X220-R50 N/A 0.315" x 8-5/8" (8-1/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCF8X240 N/A 0.315" x 9-1/2" (9" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCF8X240-R50 N/A 0.315" x 9-1/2" (9" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCF8X260 N/A 0.315" x 10-1/4" (9-3/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCF8X260-R50 N/A 0.315" x 10-1/4" (9-3/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCF8X300 N/A 0.315" x 11-3/4" (11-1/3" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCF8X300-R50 N/A 0.315" x 11-3/4" (11-1/3" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCF8X350 N/A 0.315" x 13-3/4" (13-3/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCF8X350-R50 N/A 0.315" x 13-3/4" (13-3/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCF10X100 N/A 0.390" x 4" (3-5/8" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCF10X100-R30 N/A 0.390" x 4" (3-5/8" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 30/pk {QUOTE}
SDCF10X160 N/A 0.390" x 6-1/4" (6" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCF10X160-R30 N/A 0.390" x 6-1/4" (6" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 30/pk {QUOTE}
SDCF10X200 N/A 0.390" x 7-7/8" (7-5/8" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCF10X200-R30 N/A 0.390" x 7-7/8" (7-5/8" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 30/pk {QUOTE}
SDCF10X240 N/A 0.390" x 9-1/2" (9" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCF10X240-R30 N/A 0.390" x 9-1/2" (9" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 30/pk {QUOTE}
SDCF10X280 N/A 0.390" x 11" (10-1/2" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 150/pk {QUOTE}
SDCF10X280-R30 N/A 0.390" x 11" (10-1/2" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 30/pk {QUOTE}
SDCF10X360 N/A 0.390" x 14" (13-3/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 150/pk {QUOTE}
SDCF10X360-R25 N/A 0.390" x 14" (13-3/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 100/pk {QUOTE}
SDCF10X400 N/A 0.390" x 15-3/4" (15-1/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 100/pk {QUOTE}
SDCF10X400-R25 N/A 0.390" x 15-3/4" (15-1/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 25/pk {QUOTE}
SDCF10X450 N/A 0.390" x 17-3/4" (16-3/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 100/pk {QUOTE}
SDCF10X450-R25 N/A 0.390" x 17-3/4" (16-3/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 25/pk {QUOTE}
SDCF12X200 N/A 0.470" x 7-7/8" (7" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 200/pk {QUOTE}
SDCF12X200-R25 N/A 0.470" x 7-7/8" (7" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 25/pk {QUOTE}
SDCF12X240 N/A 0.470" x 9-1/2" (8-5/8" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 150/pk {QUOTE}
SDCF12X240-R25 N/A 0.470" x 9-1/2" (8-5/8" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 25/pk {QUOTE}
SDCF12X280 N/A 0.470" x 11" (10-1/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 150/pk {QUOTE}
SDCF12X280-R25 N/A 0.470" x 11" (10-1/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 25/pk {QUOTE}
SDCF12X350 N/A 0.470" x 13-3/4" (13" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 100/pk {QUOTE}
SDCF12X350-R25 N/A 0.470" x 13-3/4" (13" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 25/pk {QUOTE}
SDCF12X450 N/A 0.470" x 17-3/4" (16-3/4" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 100/pk {QUOTE}
SDCF12X600 N/A 0.470" x 23-5/8" (22-5/8" Thread Length) Simpson Strong-Tie SDCF Flat Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCFC8X120 N/A 0.315" x 4-3/4" (4-1/4" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCFC8X120-R50 N/A 0.315" x 4-3/4" (4-1/4" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCFC8X160 N/A 0.315" x 6-1/4" (5-7/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCFC8X160-R50 N/A 0.315" x 6-1/4" (5-7/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCFC8X200 N/A 0.315" x 7-7/8" (7-1/2" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCFC8X200-R50 N/A 0.315" x 7-7/8" (7-1/2" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCFC8X240 N/A 0.315" x 9-1/2" (9" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCFC8X240-R50 N/A 0.315" x 9-1/2" (9" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCFC8X280 N/A 0.315" x 11" (10-5/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCFC8X280-R30 N/A 0.315" x 11" (10-5/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 30/pk {QUOTE}
SDCFC8X330 N/A 0.315" x 13" (12-5/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 200/pk {QUOTE}
SDCFC8X330-R30 N/A 0.315" x 13" (12-5/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 30/pk {QUOTE}
SDCFC8X350 N/A 0.315" x 13-3/4" (13-3/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 200/pk {QUOTE}
SDCFC8X350-R30 N/A 0.315" x 13-3/4" (13-3/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 30/pk {QUOTE}
SDCFC8X380 N/A 0.315" x 15" (14-5/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 200/pk {QUOTE}
SDCFC8X380-R30 N/A 0.315" x 15" (14-5/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 30/pk {QUOTE}
SDCFC8X430 N/A 0.315" x 17" (16" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 150/pk {QUOTE}
SDCFC8X430-R25 N/A 0.315" x 17" (16" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 25/pk {QUOTE}
SDCFC8X580 N/A 0.315" x 22-7/8" (21-7/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 100/pk {QUOTE}
SDCFC8X580-R25 N/A 0.315" x 22-7/8" (21-7/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 25/pk {QUOTE}
SDCFC10X240 N/A 0.390" x 9-1/2" (9" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 250/pk {QUOTE}
SDCFC10X240-R25 N/A 0.390" x 9-1/2" (9" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 25/pk {QUOTE}
SDCFC10X300 N/A 0.390" x 11-3/4" (11-3/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 150/pk {QUOTE}
SDCFC10X300-R25 N/A 0.390" x 11-3/4" (11-3/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 25/pk {QUOTE}
SDCFC10X320 N/A 0.390" x 12-1/2" (12-1/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 150/pk {QUOTE}
SDCFC10X320-R25 N/A 0.390" x 12-1/2" (12-1/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 25/pk {QUOTE}
SDCFC10X380 N/A 0.390" x 15" (14-5/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 150/pk {QUOTE}
SDCFC10X380-R25 N/A 0.390" x 15" (14-5/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 25/pk {QUOTE}
SDCFC10X500 N/A 0.390" x 19-5/8" (18-3/4" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCFC10X600 N/A 0.390" x 23-5/8" (22-5/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCFC10X800 N/A 0.390" x 31-1/2" (30-1/2" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
SDCFC10X1000 N/A 0.390" x 39-3/8" (39-3/8" Thread Length) Simpson Strong-Tie SDCFC Cylinder Head Timber Screw (Black E-coat®), T40 6-Lobe Drive, SawTooth® Point, 50/pk {QUOTE}
Unit of Measure
1