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SKU# GRK86465
TOPSTAR CROWN BIT
UPC Code: 772691864659 TOPSTAR CROWN BIT CA$13.54/EAProduct Overview
GRK’s adjustable TOP STAR™ shim screw, is in fact a screw within a screw that allows you to install wooden doors or windows without the use of shims.
The quick and easy system reduces labour and allows for hassle free adjustment to ensure plumb installation.
For Plumb Installation of Wooden Doors and Windows.
Our product is suited to meet the needs of both professional contractors and weekend warriors making the job easier for one person.
Fine adjustments are as simple as the turn of a screw, even after years of use and settling.
The quick and easy system reduces labour and allows for hassle free adjustment to ensure plumb installation.
For Plumb Installation of Wooden Doors and Windows.
Our product is suited to meet the needs of both professional contractors and weekend warriors making the job easier for one person.
Fine adjustments are as simple as the turn of a screw, even after years of use and settling.
Key Features
- Recessed Star Drive: Zero Stripping, with 6 points of contact.
- 4-point 3/8? diameter Threaded Sleeve provides a secure hold on your wooden frame.
- Micro-Adjustments allow for an absolutely plumb installation.
- Use with GRK’s Top Star™ Crown and T-15 Star bit system.
- White Zinc Plated finish for lasting durability.
- For Shim Free installation of wooden doors, windows, insulation, paneling, built-in wall units and cabinets.
- Includes (1) Crown / Bit with each
