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HSS M2/M35 16*5 Woodruff Key Seat Cutter with Metric size
type1 (Straight Teeth)
Key Size | Outside Dia. | Width of Tooth | Length | Neck Dia. | Suitable neck shaft |
4×1 | 4.25 | 1 | 48 | 6 | >3-7 |
7×1.5 | 7.4 | 1.5 | 48 | 6 | >4-10 |
7×2 | 7.4 | 2 | 48 | 6 | >5-14 |
10×2 | 10.6 | 2 | 50 | 6 | >7-18 |
10×2.5 | 10.6 | 2.5 | 50 | 6 | >7-18 |
10×3 | 10.6 | 3 | 50 | 6 | >7-18 |
Type 2(Straight Teeth)
Key Size | Outside Dia. | Width of Tooth | Length | Neck Dia. | Suitable neck shaft |
13×3 | 13.8 | 3 | 60 | 10 | >77-18 |
13×4 | 13.8 | 4 | 60 | 10 | >10-24 |
16×3 | 16.9 | 3 | 60 | 10 | >77-18 |
16×4 | 16.9 | 4 | 60 | 10 | >10-24 |
16×5 | 16.9 | 5 | 60 | 10 | >14-30 |
19×4 | 20.1 | 4 | 60 | 10 | >10-24 |
19×5 | 20.1 | 5 | 60 | 10 | >14-30 |
22×4 | 23.2 | 4 | 60 | 12 | >10-24 |
22×5 | 23.2 | 5 | 60 | 12 | >14-30 |
25×5 | 26.5 | 5 | 60 | 12 | >14-30 |
28×5 | 26.7 | 5 | 60 | 12 | >14-30 |






Milling cutter series : Shank end mill , keyway milling cutter , shell end mill , angle milling cutter , cylindrical milling cutter, side and face milling cutter , concave convex milling cutter , rack milling cutter , roller chain sprocket milling cutter, T-slot milling cutter, woodruff keyseat milling cutter and dovetail milling cutter.
The production process of HSS M2 woodruff key seat milling cutter :

Material Introduction:
A. W6Mo5Cr4V2 (GB) M2( ASTM), S6-5-2(DIN), SKH51(JIS)
chemical composition:C 0.85, Si 0.38, Mn 0.35, P≤0.030, S≤0.030, Cr 4.10, W 6.00, Mo 4.80 V 1.85
main application:It is widely used for making all kinds of cutters and durability cold-work die
B. W6Mo5Cr4V2Co5 (GB), M35( ASTM), 1.3243(DIN), SKH55(JIS)
chemical composition: C 0.93, Si 0.38, Mn 0.35, P≤0.030, S≤0.030, Cr 4.10, W 6.30, Mo 4.80 V 1.85, Co 5.00
main application:It is often used for making blades with high-speed and great cutting difficulty as it’s good abrasive resistance
W6Mo5Cr4V2(M2),W9Mo3Cr4V(W9),W18Cr4V(W18),W6Mo5Cr4V2Al(M2Al),W6Mo5Cr4V2Co5(M35),W2Mo9Cr4VCo8(M42),W4Mo3Cr4VSi(4341),W4Mo2Cr4VSi(4241)

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