GRK TOP STAR ADJUSTABLE SHIM SCREWS Window Door 3/8″ x 2-1/2″ 3/8″ x 3-1/8″
Specifications
| All Returns Accepted | ReturnsNotAccepted |
| MPN | 20157 |
| Item Length | 2-1/2", or 3-1/8" |
| Brand | GRK |
Untitled 2 PRODUCT INFORMATION Description The GRK Top Star Adjustable Shim Screws are made to be used when installing window and door frames, insulation and paneling, built-in wall units and cabinets. They are made specifically to reduce labor by allowing for fine adjustments in both directions. Installation Note: Step 1- Predrill jamb only with 5/16" diameter drill.Step2 - Drive screw until outer screw is flush with jamb using Crown Bit (Not Included).Step 3 - Adjust inner screw using T20 TORX Bit (Bit not included). Note: These screws require a special crown bit to install (Sold Seperately). Features Recessed Star Drive: Zero stripping, with 6 points of contact 4-point 3/8" diameter threaded sleeve: provides a secure hold in your wooden frame Micro-adjustments: allow for an absolutely plumb installation White Zinc Plated: finish for lasting durability For Shim Free installation: of wooden doors, windows, insulation, paneling, built-in wall units and cabinets Eliminates Shimming Fine adjustments are as simple as the turn of a screw, even after years of use and settling No Returns Accepted