Description
Overview:
The Starrett FCH0300 Fast Cut Bi‐Metal Holesaw, 76 mm (3 in) diameter, is a high‐performance cutting cup for clean, accurate round holes in metal. Built from durable bi‐metal for a balance of toughness and heat resistance, it delivers fast, smooth cutting in stainless and mild steel sheets and thin‐wall tube. A 5.5 TPI (per 25 mm) tooth form helps reduce heat build‐up and wear while improving chip clearance. With a cutting depth of 41 mm, it is suitable for general drilling tasks in the workshop or on site using corded or cordless drills and drill presses. Often referenced as Starrett AX5180 or STRHS76AX, this 76 mm holesaw is a reliable choice for fabricators, installers, maintenance engineers, and DIY users who need consistent results.
Key Features:
- 76 mm (3 in) diameter for standard large apertures in metal
- Cutting depth 41 mm for common panel and enclosure work
- Bi‐metal construction for extended life and resistance to heat and wear
- 5.5 TPI (per 25 mm) tooth form for faster, smoother cutting in steel
- Capable on stainless steel, mild steel, and metal tube walls up to 3 mm (1/8 in)
- Stable cutting with reduced snagging and vibration when used with a suitable arbor/mandrel
- Works with hand drills and drill presses; ideal for site and workshop use
- High‐visibility red finish for quick identification in the toolkit
- Reliable choice from Starrett for repeatable results and neat hole edges
Typical Applications:
Cutting 76 mm holes in stainless and mild steel panels, trunking and switchgear, control cabinets, and machine guards. Useful for pipe and conduit penetrations, flues and ducting cut‐outs, and installing grommets or glands in sheet metal. Suitable for fabricators, HVAC and electrical installers, plumbers, maintenance teams, and serious DIY users working with sheet and thin‐wall tube up to 3 mm (1/8 in).
Also known as:
Hole saw, hole cutter, tank cutter, cup saw, circular hole cutter, drill‐mounted hole cutter, bi‐metal cup cutter, circular saw bit.
Product Specifications
| L&S Part No. | 902 1636 |
|---|---|
| Manufacturer | Starrett |
| OEM No. | STRHS76AX |
| Unit of Sale | 1 |
| Key Features | - 76 mm diameter for large metal apertures - 41 mm cutting depth for panel work - Bi‐metal construction resists heat and wear - 5.5 TPI tooth form for smooth steel cutting - Suitable for stainless and mild steel up to 3 mm thick |


