Features
- Two-flute design for smoother cuts and reduced chatter
- Carbide tips for improved wear resistance and longer bit life
- Drill-through pilot point for guiding on templates or framing
- Suitable for window and door cutouts in abrasive insulation, plywood, and paneling
Specifications
| Part Number | 85428M |
| Shank (In) | 3/8 |
| Diameter (In) | 3/8 |
| Working Length (In) | 1 |
| Overall Length (In) | 3 |
| Flute Length (In) | 1 |
| Pack Quantity | 1 |
| Color / Finish | Blue |
| Material | Steel |
| Warranty | 1 Yr |
| Product Dimensions | 0.46 in x 3.29 in x 7.51 in |
| Weight | 0.10 lb |
| Upc | 000346050189 |
| Prop 65 Warning | This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm (see www.p65warnings.ca.gov). |
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Two-flute pilot panel bit with carbide-tipped cutting edges and a drill-through point. Designed for cutting openings in paneling, plywood, and abrasive insulation. The drill-through pilot is intended to help guide the bit on a template or when cutting after the panel is mounted.
Model Number: 85428M
Project Ideas
Business
On‑Site Cutout Service
Offer fast, clean retrofit openings in installed paneling and abrasive insulation for windows, doors, vents, outlets, and access hatches. Use the drill-through pilot to follow framing or templates, minimizing tear-out and rework. Bill per opening plus travel; target remodelers and DIYers.
Van/RV Interior Panel Upfitting
Specialize in cutting precise openings in wall/ceiling panels and rigid insulation for fan vents, windows, lights, and storage niches. Create reusable templates for popular models to speed turnaround and upsell finished trim rings.
Template Kits for Trades
Design and sell router templates for common cutouts: single/dual gang boxes, return air grills, speaker holes, recessed shelves, and access panels. Offer CNC-cut acrylic or downloadable files, plus a how‑to guide for using a pilot panel bit safely.
Decorative Screen and Privacy Panel Line
Manufacture decorative plywood room dividers, radiator covers, and porch privacy screens with repeat patterns. The bit’s carbide edges handle abrasive composites; sell online in standard sizes with custom pattern upsells.
Home Theater and In‑Wall Speaker Installs
Provide clean, dust‑controlled cutouts for in‑wall speakers and cable pass‑throughs in finished paneling. Use templates to ensure factory‑spec openings and the pilot to start accurately after panels are already mounted. Partner with AV shops for referrals.
Creative
Backlit Skyline Acoustic Panel
Use plywood or MDF with a skyline template and the pilot point to plunge and trace clean window-like apertures. Back the panel with acoustic felt and diffused LED strips to create wall art that also softens room acoustics.
Cat Portal Climbing Wall
Mount a plywood panel to studs, then plunge and follow paw/round/arch templates to create a series of portals and handhold cutouts. Add sisal, shelves, and trim rings for a sleek feline play feature that hides fasteners behind the panel.
Perforated Radiator Cover or Vented Doors
Create repeating patterns of vents in cabinet doors or radiator covers using a template grid. The bit’s drill-through pilot speeds starting each hole and the two-flute design keeps edges clean for paint-grade finishes.
Custom Arcade/Speaker Panels
Route speaker grills and control openings in arcade cabinets or home audio panels. Use circle and slot templates; the pilot point makes plunge starts easy and lets you cut after panels are mounted for precise alignment.
Faux Window Lightbox
Cut arched or pane-style openings in thin paneling with a template, then build a shallow lightbox behind with LED backlighting and frosted acrylic. The pilot point helps follow framing or a jig for symmetrical muntins.