INGCO 3/8″ Hex Shank Hole Saw Arbor Mandrel (For 14mm – 30mm Saws)
Eliminate drill slippage and execute perfectly centered hole boring loops. The INGCO HSA01 Hole Saw Arbor serves as the heavy-duty link between your drill chuck and small-diameter hole saws. Engineered with a solid 3/8″ non-slip hex shank and fitted with a high-speed steel pilot drill bit, this arbor prevents tool wobble and ensures your hole saws track flawlessly without walking across smooth metal or polished wooden surfaces.
High-Torque Performance & Universal Grip
3/8-Inch (9.5mm) Hexagonal Shank: Engineered with deep, flat hex faces that lock rock-solid into standard 3/8″ or 1/2″ keyed and keyless drill chucks. This design completely eliminates tool spinning or chuck slippage, allowing you to transfer 100% of your drill’s rotational torque into tough materials.
14mm to 30mm Dedicated Fitment: Specifically optimized to thread perfectly onto smaller-gauge hole saw diameters (ranging from 14mm up to 30mm).
Replaceable High-Speed Steel (HSS) Pilot Bit: Includes a center-point HSS twist drill bit that punches through the target material first, anchoring the entire assembly to act as an unyielding center axis before the hole saw blades make contact.
Industrial Grade Architecture
Hardened Carbon Steel Mandrel Body: The entire arbor structure is forged from premium-grade structural carbon steel treated with advanced thermal tempering to resist shearing or snapping under intense torsional loading.
Heavy-Duty Lock-Screw System: Equipped with a robust side hex socket screw that locks the center pilot bit firmly into place, preventing it from spinning loose or sliding backward during high-pressure boring schedules.
Best Use Cases
Electrical Box & Conduit Routing: An absolute pocket must-have for domestic and commercial electricians boring clean pipe entry ports into plastic junction boxes, distribution boards, and mild steel panel walls.
Plumbing Pipes & Fitting Lines: Perfect for plumbing contractors drilling pilot routes through plywood partitions or plastic sheets for slim water inlet and outlet tubes.
General Workshop & DIY Crafting: Ideal for carpenters boring neat holes for cable management grommets in office desks, furniture panels, and wooden cabinetry blocks.
TK Pro Tip: When boring holes through sheet metal or dense wood, the secret to a long tool life is to let the teeth do the work at a steady, moderate speed. Avoid pressing down with your full body weight on the drill machine, as excessive force creates friction heat that can burn out both your hole saw teeth and the center pilot bit. If you are drilling through mild steel or iron plates, always drop a few drops of cutting fluid or standard machine oil onto the cutting line to lubricate the blades and keep the steel cool!
The TK Tools Promise
Verified: 100% original INGCO power tool accessories—sourced directly and verified for precision industrial thread clearance.
Thread & Shank Inspected: Our warehouse technical team manually verifies the alignment of the HSS pilot bit and checks that the mandrel threads are perfectly flawless before approving the unit for shipping.
Fast Delivery: Dispatched safely sealed inside its protective double blister pack and shipped quickly from our central hub in Salem straight to your workshop or job site pocket.
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