
GRK Fasteners RSS 12221 Structural Screw, 5/16 in Thread, 3-1/8 in L, Washer Head, Star Drive, Steel, 100 PK

Product specification
Itw Brands (Grk)
772691122216
12221
For interior and exterior use in carrying beams, ledger boards, stair rails, deck posts, playground equipment and other professional applications
Fast bite tip provides a fast start
Zip-Tip™ no pre-drilling, faster penetration
W-Cut™ low-torque, smoother drive
Reduce wear and tear on the battery while you work with Batteryguard™, a shock-absorbing battery to tool connection
S3 technology double hardens the blade edge for increased cutting life
Climatek™ coating is AC257 code approved for use in treated lumber
Case hardened steel for high tensile, torque and shear strength
Climatek™ coating is AC257 code approved for use in treated lumber
FASTENERS
FASTENERS
NUTS, BOLTS, SCREWS
CONSTRUCTION SCREWS - PACKAGED
LAG SCREWS
Structural Wood Screws
5.0
6.25
5.18
4.0
