Bi-Metal hole saws are constructed using Bi-Metal Unique Technology, which test have proved to provide a longer life span, faster cutting speeds and smoother cuts.it provides a smooth finish when cutting holes in a range of ferrous, non-ferrous and stainless metals up to 3mm thick MDF, woods, Formica, plaster ,plastics, and other similar materials.
The 11mm (7/16″)Hex and SDS plus arbor fitted with a 6.35mm (1/4″) high speed steel pilot drill.
Bi-metal hole saws are really multifunctional: wood, metals, wood mit nails, plastics, even stainless steel – used in handheld or table-machines these hole saws are able to do all the jobs. The vario teeth milled in the HSS edge has been created to be used universally in wood and metal.
User groups: electricians, plumbers, framework construction such as machine and container construction, plasterers
Features:
1.Cutting edges : M3, M42
2.Cutting depth up to 1 1/2″ (38 mm)
3.High rotational precision
4.Hole saw and shank are in two parts, so hole saws of different diameters can be exchanged and fitted faster
5.Positive chipping and cutting angles ensure more aggressive cutting
6.Teeth welded onto steel jacket
7.Good chip removal
8.Exchangeable centering pilot drill bit
9.Right-hand cutting
10.Use cooling agents recommended for specified materials
Diameter from 14mm to 250 mm
Rotation rate recommendation (rpm)
| Hole Saw Diameter | Stainless steel and Alloy steel | Iron plate | Copper and brass plate | Plastic and F R P |
| 14mm – 20mm | 310 – 470 | 470 – 630 | 630 – 790 | 790 – 950 |
| 21mm – 25mm | 250 – 380 | 380 – 510 | 510 – 630 | 630 – 760 |
| 26mm – 30mm | 210 – 310 | 310 – 420 | 420 – 530 | 530 – 630 |
| 31mm – 35mm | 180 – 270 | 270 – 360 | 360 – 450 | 450 – 540 |
| 36mm – 40mm | 150 – 230 | 230 – 310 | 310 – 390 | 390 – 470 |
| 41mm – 45mm | 140 – 210 | 210 – 280 | 280 – 350 | 350 – 420 |
| 46mm – 50mm | 120 – 190 | 190 – 250 | 250 – 310 | 310 – 380 |
| 51mm – 60mm | 100 – 150 | 150 – 210 | 210 – 260 | 260 – 310 |
| 70mm | 90 – 130 | 130 – 180 | 180 – 220 | 220 – 270 |
| 80mm | 80 – 110 | 110 – 150 | 150 – 190 | 190 – 230 |
| 80mm | 70 – 100 | 100 – 140 | 140 – 170 | 170 – 210 |
| 100mm | 60 – 90 | 90 – 120 | 120 – 150 | 150 – 190 |
Inquire Us
If you are interested in our Bi-metal Hole Saw, please feel free to contact us. We are ready to serve you !
Email: sales@hengdatools.com
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