Serrated blade milling cutters with replaceable blades
Blade milling cutters with replaceable serrated blades — six families for slotting, shouldering and face milling in the UK.
Galtona's Serrated Blade Cutters use a forged and heat-treated alloy steel body carrying replaceable serrated High Speed Steel (or cemented-carbide-tipped) blades — resizable with minimal regrinding by reinserting each blade one slot ahead, which moves the cutting edge out a few thousandths of an inch.
No. 600 Alternate Angle cutters (Ø4"–16") stagger blades for keyway and slotting work. No. 610 Interlocking pairs join two No. 620 Half Side cutters for wide slotting and channeling. No. 630 Straight Blade cutters suit general-purpose milling.
The same blade system is also offered as shank-type (640/640X), arbor-type (650/650X), centring-arbor (660C/660CX), and BS 122-1953 (B650/B650X) shell and face mills, in light, medium, and heavy-duty variants.
No. 900/920 cutters use the same alternate-angle and interlocking designs but with cemented-carbide-tipped blades, in cast-iron (G) and light-alloy (M) grades, for high-production slotting.
No. 900/920 — Cemented carbide tipped
No. 900 / 920 — Cemented Carbide Tipped
Alternate Angle (900) and Interlocking (920), cast-iron (G) and light-alloy (M) grades.
For high-production slotting operations. Galtona Serrated Blades of carbon steel are tipped full width with cemented carbide and staggered at alternate angles for a smooth cutting action. The 900-G series is suited to cast iron and can also be used on non-ferrous materials such as brass and bronze; the 900-M series is designed for light alloy. 95-series blades cut both right and left hand.
Representative sizes — 900 series (Alternate Angle)
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| Diameter | Width | Bore | Code (cast iron) | Blades | Code (light alloy) | Blades |
|---|---|---|---|---|---|---|
| 4" | 1" | 1" | 9004G x 1" x 1" | 8 No. 95-53N | 9004M x 1" x 1" | 4 No. 95-53N |
| 6" | 1" | 1¼" | 9006G x 1" x 1¼" | 10 No. 95-13N | 9006M x 1" x 1¼" | 6 No. 95-13N |
| 8" | 1" | 1½" | 9008G x 1" x 1½" | 12 No. 95-21N | 9010M x 1" x 2" | 8 No. 95-21N |
| 10" | 1" | 2" | 9010G x 1" x 2" | 16 No. 95-21N | 9010M x 1" x 2" | 10 No. 95-21N |
| 12" | 1" | 2" | 9012G x 1" x 2" | 20 No. 95-21N | 9012M x 1" x 2" | 12 No. 95-21N |
Representative sizes — 920 series (Interlocking)
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| Diameter | Width | Bore | Code (cast iron) | Blades | Code (light alloy) | Blades |
|---|---|---|---|---|---|---|
| 10" | ¾" | 2" | 9210G x ¾" x 2" | 18 No. 95-12N | 9210M x ¾" x 2" | 10 No. 95-12N |
| 12" | 1½" | 2" | 9212G x 1½" x 2" | 20 No. 95-23N | 9212M x 1½" x 2" | 12 No. 95-23N |