COVID-19 Update:ABC US is an essential supplier to essential businesses in the hardware, construction and building materials channels across the United States and as such, we will continue to operate. We will adhere to requested health standards for our employees and continue to manufacture and supply SPAX® ENGINEERED FASTENERS to serve our essential customers in those respective industries from our facility in Bryan, OH. Visitors will be considered on an appointment-only basis. For any questions, please call 800-443-9602 between 8a-5p EST.

T-Star plus Flat Head HCR-X™, Partial Thread


SPAX® Multi-purpose construction screws are the versatile fastening solution for a wide range of interior and exterior applications in multiple materials including wood, concrete, masonry, sheet metal, plastic and treated lumber. Proprietary HCR-X™ coating is approved for use in treated lumber and freshwater environments. Note: Not for use with redwood or cedar.

  • Heat treated to Grade 5 durability
  • Patented thread serrations reduce driving torque to prolong power tool battery life
  • Unique 4CUT™ Point prevents splitting and requires no pre-drilling in wood

T-STAR plus Flat Head

A patented MULTIhead design featuring ribs on the underside of the head facilitates a clean, flush or countersunk finish in wood and acts as a brake against metal hardware to prevent stripping out. Exclusive T-STAR plus drive offers superior bit fit to eliminate camming out. These fasteners are ideal for overhead work and are available for both interior and exterior use.

#14 x 1”, 1-1/4", 1-1/2" and 2" lengths utilize a standard (full) thread design

Base Part No.: 319167() and 419167()

For CAD documents, please see Technical Documents.

SizeDrive/Bit SizeThreadAvailable Pkg. Options
Sm. PlasticLg. Plastic1 lb. Box3 lb. Box5 lb. BoxPer PieceContractor PackBulk PailProject PAX
#8 x 1-1/4"T-20 T-Star PlusPartial2301150
#8 x 1-1/2"T-20 T-Star PlusPartial195550975
#8 x 2"T-20 T-Star PlusPartial154465770
#8 x 2-1/2"T-20 T-Star PlusPartial1241500
#9 x 2-1/2"T-20 T-Star PlusPartial1091500
#9 x 3-1/4"T-20 T-Star PlusPartial831500
#10 x 1-1/2"T-20 T-Star PlusPartial125625
#10 x 2"T-20 T-Star PlusPartial99495
#10 x 2-1/2"T-20 T-Star PlusPartial812354051500
#10 x 3"T-20 T-Star PlusPartial672003351500
#10 x 3-1/2"T-20 T-Star PlusPartial591500
#14 x 1"T-30 T-Star PlusStandard115
#14 x 1-1/4"T-30 T-Star PlusStandard97
#14 x 1-1/2"T-30 T-Star PlusStandard90
#14 x 2"T-30 T-Star PlusStandard65
#14 x 2-1/2"T-30 T-Star PlusPartial55
#14 x 3"T-30 T-Star PlusPartial10
#14 x 3-1/2"T-30 T-Star PlusPartial10
#14 x 4"T-30 T-Star PlusPartial8
#14 x 4-3/4"T-30 T-Star PlusPartial8
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