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 MULTIHead Screw

The T-STAR plus Flat Head screw features ribs on the underside of the head that facilitate a clean, flush, or countersunk finish in wood and acts as a break against metal hardware to prevent stripping out.

  • 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.

Size Drive/Bit Size Thread Available Pkg. Options
Retail Pax Large Retail Pax 1 lb. Box 3 lb. Box 5 lb. Box Individual Project Pax Contractor Pax Bulk Pail
#8 x 1-1/4" T-20 T-Star Plus Partial 230 1150
#8 x 1-1/2" T-20 T-Star Plus Partial 195 550 975
#8 x 2" T-20 T-Star Plus Partial 154 465 770
#8 x 2-1/2" T-20 T-Star Plus Partial 124 1500
#9 x 2-1/2" T-20 T-Star Plus Partial 109 1500
#9 x 3-1/4" T-20 T-Star Plus Partial 83 1500
#10 x 1-1/2" T-20 T-Star Plus Partial 125 625
#10 x 2" T-20 T-Star Plus Partial 99 495
#10 x 2-1/2" T-20 T-Star Plus Partial 81 235 405 1500
#10 x 3" T-20 T-Star Plus Partial 67 200 335 1500
#10 x 3-1/2" T-20 T-Star Plus Partial 59 1500
#14 x 1" T-30 T-Star Plus Standard 115
#14 x 1-1/4" T-30 T-Star Plus Standard 97
#14 x 1-1/2" T-30 T-Star Plus Standard 90
#14 x 2" T-30 T-Star Plus Standard 65
#14 x 2-1/2" T-30 T-Star Plus Partial 55
#14 x 3" T-30 T-Star Plus Partial 10
#14 x 3-1/2" T-30 T-Star Plus Partial 10
#14 x 4" T-30 T-Star Plus Partial 8
#14 x 4-3/4" T-30 T-Star Plus Partial 8