SPAX® Pan Head Unidrive Screw, Zinc, Standard Thread

Base Part #: 411101()

SPAX pan head wood screws provide excellent drawdown and holding performance in multiple materials where a flush or countersunk installation is not possible or desired. The unique Unidrive drive system offers you the option to use with either a Phillips or square drive bit installation.

Buy SPAX Flat Head Unidrive Screws with Phillips/Square drive bit combo  in bulk from wholesalers, dealers, and specialty distributers or in project-appropriate package sizes at retail hardware and home improvement stores.

SPAX® Multi-Purpose Construction Screws

SPAX Multi-Purpose Construction Screws with Patented MULTIhead technology and superior thread serrations are designed for wood. The versatile multi-material screw can also be used for a wide range of interior applications in multiple materials including masonry, drywall, and plastic.

  • IRC / IBC Code Compliant DrJ TER No. 2010-02 Construction Screw Properties
  • Unique 4CUT™ Point prevents splitting and requires no pre-drilling in wood
  • Patented thread serrations reduce driving torque to prolong power tool battery life
  • Heat treated to Grade 5 durability

Take the hassle out of your next project. Whether you’re working with wood, concrete, masonry, sheet metal, or plastic, select high-performance, professional-grade SPAX Multi-Purpose Construction Screws on your project. 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
Retail PaxLarge Retail Pax1 lb. Box3 lb. Box5 lb. BoxIndividualProject PaxContractor PaxMini PailBulk Pail
#6 x 1/2"#2 Phillips/#1 Sq.Standard50500
#6 x 5/8"#2 Phillips/#1 Sq.Standard504452500
#6 x 3/4"#2 Phillips/#1 Sq.Standard400
#8 x 5/8"#2 Phillips/#2 Sq.Standard320
#8 x 3/4"#2 Phillips/#2 Sq.Standard351002801500
#8 x 1"#2 Phillips/#2 Sq.Standard30100225
#8 x 1-1/4"#2 Phillips/#2 Sq.Standard30200
#8 x 1-1/2"#2 Phillips/#2 Sq.Standard25180
#8 x 2"#2 Phillips/#2 Sq.Standard140
#10 x 5/8"#2 Phillips/#2 Sq.Standard25175
#10 x 3/4"#2 Phillips/#2 Sq.Standard20160
#10 x 1"#2 Phillips/#2 Sq.Standard20135