Multi-Material
Interior
Multi-Material

UNIDRIVE COMBINATION (PH/SQ) FLAT HEAD ZINC

UNIDRIVE COMBINATION (PH/SQ) FLAT HEAD ZINC Drive Type IconUNIDRIVE COMBINATION (PH/SQ) FLAT HEAD ZINC Head Style Icon

SPAX® Multi-Purpose construction screws are a versatile multi-material fastener solution for a wide range of interior applications, including wood, concrete, masonry, sheet metal and plastic. Unidrive combination head can be used with either Phillips or square drive bit.





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Masonry & Concrete Pre-Drill Specifications
NOTE: In masonry/concrete, pre-drill a hole at least ¼" to ½" longer than the length of the screw (refer to chart). No anchor required. In sheet metal, no pre-drilling is required up to 24 gauge.
Screw Diameter

#6

#8

#10

Drill Bit

Not Recommended

1/8"

5/32"

Weight

Not Recommended

Light

Medium

SPAX ENGINEERED FASTENERS ARE THE MOST ADVANCED FASTENER PRODUCT ON THE MARKET

Our fasteners strength and job site efficiency innovations will provide you with the power to keep your projects connected stronger for longer. Featuring SPAX® patented thread technology, they require no pre-drilling, and drive faster and easier than conventional lags and other structural lag screws.

Unidrive FH Z Multi Head
Patented Multi-Head
Countersinks screw head flush with material.
TSTA Rplus FH HCRX Serrations
PATENTED SERRATIONS
Allow for quicker, easier fastening.
TSTA Rplus FH HCRX 4 CUT
UNIQUE 4CUT™ POINT
Prevents splitting and requires no pre-drilling in wood.

LEARN MORE ABOUT SPAX® MULTI-MATERIAL SCREWS

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