GRK TOP STAR ADJUSTABLE SHIM SCREWS Window Door 772691201577, 772691201614
Estimate for one unit, air shipping. Final total is confirmed at checkout.
Product arrives warehouse Sep 25 - Oct 2. Products ship from our warehouse every Friday. Delivered to you by Oct 13, 2026.
About this item
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
Condition
GRK TOP STAR ADJUSTABLE SHIM SCREWS Window Door 772691201577, 772691201614 · x1
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