Malco HA3 Quick Connect Arbor | 5/8-18 Thread | Fits 1-3/8"–6-5/16" Hole Saws

$21.99

MPN: HA3

Brand: Malco
Barcode: 686046542751
Availability : Limited Stock Out of stock
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The Malco HA3 Quick Connect Arbor is engineered for speed and durability, delivering fast, reliable hole saw changes when you need them most. With an industry-standard 5/8-18 thread, it accommodates hole saws from 1-3/8 in. to 6-5/16 in. (35–160 mm), making it a versatile choice for a wide range of drilling tasks. Designed to partner seamlessly with a 1/2 in. drill chuck and secure 10 mm hex engagement, the HA3 keeps your setup solid from start to finish. Key advantages that save you time on the job:
  • Integrated Quick Connect for effortless pilot drill installation and removal, so you spend less time fiddling and more time drilling.
  • Quick release ejects plugs to rapidly clear spent pieces and move on to the next size or material, reducing downtime between holes.
  • Broad hole saw compatibility supports sizes from 1-3/8 in. up to 6-5/16 in. (35–160 mm), giving you one arbor that covers many common projects.
  • Secure hex engagement with a 10 mm hex fit, paired with a standard 1/2 in. drill chuck for a stable, wobble-free experience in challenging materials.
  • Built for durability to withstand frequent changes, tough cuts, and the rigors of professional use without compromising performance.
Who should consider the Malco HA3 Quick Connect Arbor? It’s ideal for carpenters, electricians, plumbers, and serious DIYers who routinely switch hole saw sizes mid-project or on busy job sites. If you value faster setup, cleaner holes, and less downtime between cuts, the HA3 is a smart upgrade to your drilling toolkit. Practical use scenarios: - Installing multiple ventilation holes in drywall or plywood where quick size changes speed up progress. - Sitting between materials (wood, plastic, thin metal) where consistent hex engagement reduces runout and improves accuracy. - Repetitive hole-saw tasks on cabinetry, scaffolding, or framing projects where downtime from bit changes adds up. With the Malco HA3 Quick Connect Arbor, you gain a reliable, fast-changing hole saw solution that keeps you moving forward rather than waiting on tool adjustments. Embrace streamlined drilling, cleaner plugs ejected on demand, and a durable build that stands up to daily use.
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Specifications

Malco HA3

•Industry standard 5/8-18 thread compatibility
•Quick Connect pilot drill system
•Integrated quick release plug ejection
•10 mm hex opening
•Designed for 1/2" drill chuck. Compatible with HH4, HH5, HHA4, HHA5 and all Malco Hole Saw models and sizes.





Description
The Malco HA3 Quick Connect Arbor is engineered for speed and durability, delivering fast, reliable hole saw changes when you need them most. With an industry-standard 5/8-18 thread, it accommodates hole saws from 1-3/8 in. to 6-5/16 in. (35–160 mm), making it a versatile choice for a wide range of drilling tasks. Designed to partner seamlessly with a 1/2 in. drill chuck and secure 10 mm hex engagement, the HA3 keeps your setup solid from start to finish. Key advantages that save you time on the job:
  • Integrated Quick Connect for effortless pilot drill installation and removal, so you spend less time fiddling and more time drilling.
  • Quick release ejects plugs to rapidly clear spent pieces and move on to the next size or material, reducing downtime between holes.
  • Broad hole saw compatibility supports sizes from 1-3/8 in. up to 6-5/16 in. (35–160 mm), giving you one arbor that covers many common projects.
  • Secure hex engagement with a 10 mm hex fit, paired with a standard 1/2 in. drill chuck for a stable, wobble-free experience in challenging materials.
  • Built for durability to withstand frequent changes, tough cuts, and the rigors of professional use without compromising performance.
Who should consider the Malco HA3 Quick Connect Arbor? It’s ideal for carpenters, electricians, plumbers, and serious DIYers who routinely switch hole saw sizes mid-project or on busy job sites. If you value faster setup, cleaner holes, and less downtime between cuts, the HA3 is a smart upgrade to your drilling toolkit. Practical use scenarios: - Installing multiple ventilation holes in drywall or plywood where quick size changes speed up progress. - Sitting between materials (wood, plastic, thin metal) where consistent hex engagement reduces runout and improves accuracy. - Repetitive hole-saw tasks on cabinetry, scaffolding, or framing projects where downtime from bit changes adds up. With the Malco HA3 Quick Connect Arbor, you gain a reliable, fast-changing hole saw solution that keeps you moving forward rather than waiting on tool adjustments. Embrace streamlined drilling, cleaner plugs ejected on demand, and a durable build that stands up to daily use.
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