what is the thread, m22 or 1/2"bsp?

Hello, please see the following information provided by Starrett; Hole Saw arbor supplied with 6.35mm (1/4") pilot drill. Shank size 11mm (7/16"). Screw thread 5/8"-18. Screw thread 5/8"-18. Fits hole saws from 32-210mm (1.1./4 - 8.9/32") diameter. Arbor suitable for use with SH, DH, CT and D hole saws (Diamond hole saw applications will usually require an arbor with a carbide tipped pilot drill). I hope this helps. Kind regards, Amy

will the starrett 300mm extension fit on this arbor because i want to go in a fair bit

Good morning, the extension should fit fine. Kind regards, Amy

Will it fits drilling machine with 3 jaw chuck? My drill is from '90s

Good Morning, If you drill has the below requirement. I should not see why not this would not fit. Shank Size: 7/16in Hex suitable to fit 1/2in capacity chuck.Use with holesaws H0114 - H210 mm inclusive 1.1/4 - 8. 9/32in. (32 mm - 152mm).Kind Regards Jodie

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Starrett A2 Hole Saws Arbor - 32-210mm Quick Hitch Screw Thread Hex Shank Arbor with 6.35mm High-Speed Steel Pilot Drill - Quick Change Mandrel

Starrett A2 Hole Saws Arbor - 32-210mm Quick Hitch Screw Thread Hex Shank Arbor with 6.35mm High-Speed Steel Pilot Drill - Quick Change Mandrel

Product ID: 48158449

Details

Brand
Starrett
Compatible devices
Power drills
Item diameter
210
Item weight
240 g
Material
Metal

🔩Fits 32-210mm hole saws

⏱️Quick-release quick-hitch system

⚙️Heavy-duty carbon steel arbor

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Description

⚡ Drill smarter, faster, stronger — the pro’s quick-change secret!

BUILT TO LAST - Crafted from premium carbon steel for unmatched durability and long-term reliability on every job.
COMPACT PORTABLE - Lightweight 240g design fits easily in your tool bag—ready to go wherever the job takes you.
PRECISION PILOT DRILL - Includes a 6.35mm high-speed steel pilot drill for accurate, clean starts every time.
EFFORTLESS QUICK CHANGE - Switch hole saws in seconds without tools or removing the arbor—maximize your workflow.
UNIVERSAL COMPATIBILITY - Seamlessly fits hole saws from 32mm up to 210mm, adapting to all your project needs.

The Starrett A2 Hole Saws Arbor is a precision-engineered, heavy-duty carbon steel arbor designed for professional use. Featuring a quick-release hitch for tool-free hole saw changes, it supports hole saw diameters from 32mm to 210mm and includes a durable 6.35mm high-speed steel pilot drill. Compact and reliable, it ensures secure, slip-free drilling across ceramic, metal, and stone materials, making it an essential upgrade for any serious tradesperson’s toolkit.

Specifications

ASIN	B0002JT6UO
Best Sellers Rank	23,316 in DIY & Tools ( See Top 100 in DIY & Tools ) 2,046 in Power Tool Accessories
Brand	Starrett
Capacity	210 Millimetres
Compatible Devices	Power drills with 9.5mm (3/8'') chuck size
Country of Origin	China
Customer Reviews	4.6 4.6 out of 5 stars (446)
Global Trade Identification Number	00049659551426
Included Components	1 x A2 Arbour To Suit 32 mm - 210 mm Hole saws
Item Diameter	210 Millimetres
Item Type Name	Arbour
Item Weight	240 g
Manufacturer	Starrett
Material	Metal
Model Number	AY141
Part Number	55142/A2
UPC	049659551426
Unit Count	1.0 count

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₪128

Duties & taxes included

In stock

Sold byAmazon IsraelDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Israel.

Secure transaction

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