Hole saw pilot drill bit

Features

  • Tool-free quick-change groove for use with RAPID LOAD arbors
  • Compatible with standard non-quick-change arbors that accept a 1/4 in shank (excludes proprietary systems not using a 1/4 in shank)
  • 135° split-point tip to help reduce walking and aid penetration in metal and wood
  • Single-piece pilot drill for replacement use

Specifications

Application Material Wood & Metal
Color Silver
Has Quick Connect? Yes
Is It A Set? No
Number Of Pieces 1
Product Diameter [In] 1/4
Product Diameter [Mm] 6
Product Length [In] 3.25
Product Length [Mm] 83
Shank Size [In] 1/4
Shank Size [Mm] 6
Warranty No limited warranty (product not eligible)

Pilot drill bit intended for use with hole saw arbors. Designed to work with DEWALT RAPID LOAD quick-change arbors and with standard (non-quick-change) arbors that accept a 1/4 in shank. The 135° split-point tip is intended to help penetrate metal and wood and reduce walking. Supplied as a single piece.

Model Number: DAH99314PB

DeWalt Hole saw pilot drill bit Review

5.0 out of 5

What it is and why it matters

A hole saw is only as accurate as the pilot guiding it. The pilot bit keeps the saw from skating, establishes a center, and stabilizes the cut through to the exit. This pilot bit from DeWalt is a simple, single-piece replacement with a 1/4-inch shank and a 135° split-point tip, meant for wood and metal. It drops into standard arbors and DeWalt’s RAPID LOAD quick-change system via a tool-free groove on the shank.

In other words, it’s the little component that determines whether your 2-1/8-inch door latch bore lands exactly where you intended—or chews an ugly divot before the teeth ever touch.

Setup and compatibility

I ran the pilot bit in two setups: a standard, non-quick-change hole saw arbor that accepts a 1/4-inch shank, and a RAPID LOAD quick-change arbor. In both cases the fit was secure and true. The groove on the shank locks cleanly into the RAPID LOAD collar, and I could swap between differently sized hole saws quickly without fiddling with set screws.

If your arbor uses a proprietary pilot that isn’t 1/4-inch, this won’t fit. Most standard arbors take a 1/4-inch pilot, but a few systems are brand-locked—worth checking before you buy. The overall length is about 3.25 inches, which is typical. It projects far enough ahead of the saw to start accurately while still keeping the pilot supported by the cut for stability.

Performance in wood

I tested in SPF framing, plywood, MDF, and a painted pine door blank. The 135° split point is more conservative than a 118° tip you often see on wood bits. That translates to a slightly slower initial bite in softwoods, but excellent control. I could start on a pencil cross without a center punch and still avoid wandering, even when I intentionally began at a shallow angle on plywood to simulate awkward overhead work.

Chip evacuation was clean, and the bit didn’t clog while pecking in MDF. In hardwood (oak face frame stock), the point stayed centered and resisted lifting grain around the pilot hole. Once the saw teeth engaged, the bit tracked true and kept the cup from chattering. If you’ve struggled with a pilot skating on a pre-finished surface, the split point’s self-centering geometry is a quiet upgrade.

Performance in metal

Metal is where a 135° split point really earns its keep. I used the pilot bit to core 1-3/8-inch holes through 16-gauge mild steel electrical boxes and 1/8-inch aluminum plate. With a drop of cutting fluid and a slow RPM, the bit started with minimal walking—no center punch required on the aluminum, and a light punch only on the steel to be safe.

The tip geometry lowered thrust, so I didn’t have to lean on the drill to initiate the cut. That also helped keep the saw teeth from grabbing as they entered. I made multiple holes in steel back-to-back; the edge stayed crisp and the tip didn’t mushroom or blue, provided I kept speed under control and backed out occasionally to clear chips.

On stainless sheet (thin appliance cover stock), it cut acceptably but did warm up quickly. For frequent stainless work, I’d want a cobalt pilot, but for general metal the performance is solid.

Accuracy and control

Two things stood out:

  • Walking resistance: Even on glossy paint and mill scale, the pilot stayed on target. On a painted steel door, I started a 2-1/8-inch lockset hole directly on a center mark—no ski across the surface.
  • True running: In both arbors, runout was minimal. With the saw removed and the pilot spinning alone, I saw no visible wobble. That translates to cleaner starts and less chatter once the saw teeth engage.

The length is right in the sweet spot: long enough to pierce through and keep the saw guided all the way to exit, but short enough to avoid flex. Through 3/4-inch hardwood plus the saw’s kerf depth, the pilot still had positive engagement when the cup broke through the backer board.

Durability and wear

This is a single-piece, silver-finish bit. DeWalt doesn’t call out a special alloy or coating, and there’s no limited warranty—typical for a consumable. After a couple dozen holes across wood and light-gauge metal, the cutting lips remained sharp. The split point helps because it doesn’t rub as much before cutting. If you push too fast in metal or skip lubrication, you can cook any pilot quickly; treated properly, this one holds up.

Sharpening a split point accurately is possible with a jig, but most folks will replace rather than regrind. Price-wise that’s reasonable for a consumable, though if you routinely drill abrasive materials or stainless, a cobalt pilot may pay off longer term.

Usability details

  • Quick-change groove: With the RAPID LOAD arbor, bit swaps are tool-free and fast. That matters on a ladder when you’re toggling between pilot-only starting and full saw engagement, or when changing saw diameters between tasks.
  • Secure in standard arbors: The 1/4-inch shank seats well under set screws. I had no slippage.
  • Clean exits: Because the pilot stays engaged nearly to the end of the cut, blowout on the backside is controlled—especially if you use a backer. On plywood cabinet sides, the exit holes stayed tidy around the pilot.

A small note: the 3.25-inch length is standard, but if you’re drilling through thick assemblies or stacked materials, you may want a longer pilot for extra reach. That’s not a knock on this bit—just a planning note.

Where it shines and where it doesn’t

Shines:
- General carpentry and remodel work: door hardware bores, recessed puck lights in plywood, vent holes through sheathing.
- Electrical and HVAC: clean starts in mild steel junction boxes and sheet metal, especially when you want to avoid center punching every hole.
- Shop use: precise hole saw starts in hardwoods, MDF, and laminates without skating.

Less ideal:
- Heavy stainless or hardened steel: it will cut, but it’ll wear faster; consider a cobalt pilot for frequent stainless jobs.
- Proprietary arbor systems: if your arbor doesn’t accept a 1/4-inch pilot, this isn’t compatible.
- Extra-deep reach needs: you’ll need a longer pilot if the assembly is unusually thick.

Tips for best results

  • For metal, slow down the drill, add a drop of cutting fluid, and use light feed pressure. Let the split point do the work.
  • For painted or glossy surfaces, start with the drill at a slight angle to “nick” the surface, then square up—though with this pilot I rarely needed that trick.
  • Use a backer board in wood to support the exit and keep the pilot engaged longer.
  • Clear chips: peck the pilot a couple of times before engaging the saw fully.
  • Check your arbor set screws and collar. A centered, tight pilot is the foundation of a clean hole.

Value and alternatives

As a straightforward replacement pilot, this one hits the mark: accurate starts, reliable tracking, and quick-change convenience with RAPID LOAD. There are cheaper no-name pilots out there, but I’ve had mixed results with runout and soft steel. If you need maximum life in stainless, look for a cobalt pilot; if you need masonry capability, that’s a different tool entirely.

Given there’s no limited warranty (standard for bits), the real measure is performance per hole—and here, the consistency justifies keeping one or two in the kit.

Recommendation

I recommend this pilot bit for anyone who relies on hole saws in wood and common metals and uses a standard 1/4-inch arbor or DeWalt’s RAPID LOAD system. It starts cleanly, resists walking, runs true, and makes hole saw work more predictable and less frustrating. If your work leans heavily on stainless or you need a longer reach, consider a specialized pilot; otherwise, this is the dependable, no-drama choice I keep in my hole saw case.



Project Ideas

Business

On-site cable grommet installation

Offer a mobile service to add cable pass-through holes in office desks, conference tables, and retail counters. Bill per hole with tiered pricing for quantity; upsell grommets and brush inserts. The quick-change groove boosts productivity when switching sizes on the fly.


Door hardware prep service

Partner with property managers and contractors to bore deadbolt, lockset, and peephole openings in wood or metal-clad doors using lock jigs. The 135° split-point pilot reduces walking on metal skins for cleaner, safer starts.


Custom cornhole boards

Build and sell regulation cornhole sets with crisp 6-inch holes and branded decals. The pilot bit centers every opening, enabling consistent batches. Offer corporate logos and wedding themes for higher margins.


AV and IT rack pass-throughs

Provide precision hole cutting in plywood backboards, server cabinets, and metal faceplates for cable management and fans. The split-point pilot helps start in sheet metal without drift, and quick-change arbors speed multi-diameter jobs.


Etsy shop: candle blocks and planters

Produce small-batch wooden tealight holders and succulent planters with clean circular cavities. Standardize on a set of hole diameters and use the quick-change pilot system to streamline production and keep per-unit time low.

Creative

Desk cable grommet pass-throughs

Use the pilot bit with a hole saw to cut perfectly centered cable pass-throughs in desks and media cabinets. Line the openings with plastic or rubber grommets for a clean, pro look. The 135° split-point minimizes walking on finished surfaces and the quick-change groove lets you swap hole sizes to match different grommets.


Log tealight candle holders

Bore neat recesses in small logs or lumber offcuts for tealight candles. The pilot bit bites into bark or end grain without skating, keeping each cavity aligned. Cluster multiple sizes for a rustic centerpiece.


Birdhouse and bee hotel entrances

Cut clean, repeatable entrance holes in cedar or pine for birdhouses and solitary bee hotels. The pilot bit accurately lands each hole on marked centers, even on knots or uneven grain.


Bluetooth speaker faceplate

Create precise circular cutouts in plywood or thin metal for speaker drivers and bass ports. The split-point tip helps start in metal grills without drifting, and the quick-change arbor speeds testing different port diameters.


Modern hole-pattern wall art

Drill a geometric array of holes through plywood to make a minimalist light-catching panel. The pilot bit keeps spacing consistent and prevents the saw from wandering as you build a repeating pattern.