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


A powerful galvanized exterior deck screw with proprietary HCR-X™ coating, is the fastener of choice for contractors working with treated lumber. The T-Star plus Flat Head HCR-X™, Partial Thread screw is ideal for overhead work and is available for both interior and exterior use. Choose the best screws for treated lumber and decking. Buy T-Star plus Flat Head, Partial Thread fasteners in bulk from wholesalers, dealers, and specialty distributers or in project-appropriate package sizes at retail hardware and home improvement stores.

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

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

SPAX® Patented MULTI Head Screw

  • 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
  • Superior bit fit to eliminate camming out

Whether you’re working with wood, concrete, masonry, sheet metal, plastic, or treated lumber, use SPAX® Multi-Purpose Construction Screws on multiple materials. Note: Not for use with redwood or cedar. Request a sample pack of SPAX® multi-purpose construction screws today and build strong connections on the job site.

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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