- ISO Code: SNMX1205
- Machining Type:Face Milling,Shoulder Milling,Copy/Profile Milling
- Cutting Range:Carbon Steel / Alloy Steel,Stainless steel,cast iron,Hardened steel
Beýany
SNMX1205 Square Milling Insert — The Cost-Effective Choice for Heavy Roughing
The SNMX1205 is a square, double-sided negative carbide milling insert with a 12.7mm inscribed circle and 0° relief angle. Its thick, rigid body is engineered for heavy depth-of-cut roughing and high-efficiency material removal. With 8 usable cutting edges across both faces, one insert delivers twice the tool life of a single-sided alternative — lowering cost per edge and cutting downtime in high-volume production.
Key Advantages
1. Double-sided, 8 cutting edgesFour edges per face, two faces per insert. Flip or index the insert when an edge dulls — fewer tool changes, lower cost per edge, and less machine downtime during long roughing runs.
2. Negative geometry for rigidity and stabilityThe 0° relief angle produces a thicker, stronger insert body. It handles aggressive depths of cut without chatter and is more forgiving of machine tool rigidity.
3. Smooth chip evacuation, durable edgesPremium tungsten carbide substrate paired with an optimized chip breaker geometry: free-cutting action, reliable chip evacuation with no nesting, plus strong resistance to built-up edge and chipping for cleaner surfaces after roughing.
4. Clear grade selection for every materialMultiple coated grades cover different workpiece materials so you can match without trial-and-error:
Steel and stainless steel grades (e.g. PS7925, LMP306)
Hardened steel grades (e.g. LMP106)
Cast iron CVD grades (e.g. KA3020 for stable milling, KA3040 for roughing)
Specifications
Item | Specification |
Model | SNMX1205 (variants: SNMX1205ANN, SNMX1205ZNN) |
Insert shape | Square (4 corners) |
Relief angle / geometry | 0°, negative |
Usable edges | 8 (double-sided) |
Inscribed circle IC | 12.7 mm |
Edge length L | 12.0 mm |
Thickness S | 6.2 – 6.35 mm |
Hole diameter d | 6.0 mm |
Corner radius R | 0.8 / 1.2 mm |
Material | Tungsten carbide substrate |
Coating | PVD / CVD options |
Hardness | HRC 40 – 60 |
Packaging | 10 pcs / plastic box |
Applications
Face milling — high-efficiency planar milling, full-width cuts possible
Shoulder milling — 90° vertical shoulders and walls
Profile milling — pocket and contour following
General material removal — heavy roughing of castings and forgings
Not recommended for: mirror finishing, tight-tolerance dimensional work, or small-hole machining.
Cutting Range
Parameter | Recommended range | Notes |
Depth of cut ap | 2 – 5 mm (up to 6 mm heavy duty) | Reduce ae when ap is large |
Width of cut ae | ~70% of cutter diameter | Full cut possible in face milling |
Feed per tooth fz | 0.15 – 0.3 mm/z | Medium-to-rough steel milling |
Cutting speed vc | 150 – 250 m/min | Varies by material and grade |
Stock allowance | 0.5 – 8 mm | Per side, roughing |
By workpiece material:
Material | Cutting speed vc | Feed per tooth fz | Depth of cut ap |
Carbon / alloy steel | 180 – 250 m/min | 0.2 – 0.3 mm/z | 2 – 5 mm |
Stainless steel | 120 – 180 m/min | 0.15 – 0.25 mm/z | 1.5 – 3 mm |
Cast iron | 150 – 220 m/min | 0.2 – 0.35 mm/z | 2 – 5 mm |
Hardened steel (HRC45+) | 80 – 150 m/min | 0.1 – 0.2 mm/z | 0.5 – 2 mm |
Compatible Cutter Bodies
SNMX1205 inserts fit 45° face mills and 90° right-angle shoulder mills:
Cutter body | Diameter D (mm) | Bore d (mm) | Teeth |
SNMX1205-050-22.0-4T | 50 | 22 | 4 |
SNMX1205-063-22.0-5T | 63 | 22 | 5 |
SNMX1205-080-27.0-6T | 80 | 27 | 6 |
SNMX1205-100-32.0-7T | 100 | 32 | 7 |
SNMX1205-125-40.0-8T | 125 | 40 | 8 |
SNMX1205-160-40.0-10T | 160 | 40 | 10 |
SNMX1205-200-60.0-12T | 200 | 60 | 12 |
SNMX1205-250-60.0-14T | 250 | 60 | 14 |
Locking screw: MS500E | Wrench: TF20
SNMX1205 vs SNMU
Both are square negative milling inserts. The main differences:
SNMX1205 — pressed-to-shape body with a pronounced chip breaker and edge treatment; higher edge strength, suited to heavy depths of cut and demanding roughing
SNMU series — typically precision-ground for sharper edges and tighter dimensional accuracy; better for semi-finishing and higher surface-quality requirements
Rule of thumb: choose SNMX for heavy roughing, SNMU when dimensional accuracy and surface finish matter more.
FAQ
Q1: How many cutting edges does an SNMX1205 insert have?Eight. Four edges per face across two faces; flip or index the insert as edges wear.
Q2: Can it machine stainless steel?Yes — select a tough stainless-steel grade (e.g. PS7925) and reduce cutting speed to 120–180 m/min.
Q3: Can SNMX1205 replace SNMU?They are interchangeable for roughing. For tight tolerances and better surface finish, SNMU is preferred.
Q4: What is the minimum order quantity?Standard stock items start from 10 pcs (one box). OEM customization is recommended from 100 pcs.
Q5: Do you support custom grades and packaging?Yes. OEM / ODM available, including laser marking, coating grade and packaging customization.



Sorag-jogap
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Nusga tölegini töläniňizden we tassyklanan faýllary ibereniňizden soň, nusgalar 3-7 günüň içinde gowşurylar. Nusgalar gyssagly görnüşde size iberiler we 3-7 iş gününe geler. Öz hasabyňyzy ulanyp bilersiňiz ýa-da hasabyňyz ýok bolsa, öňünden töläp bilersiňiz.
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Satyş dolandyryjysy
“Zhuzhou Chuangde” sementli karbid Ltd.
215, building 1, International Students Pioneer Park,
TauzanRoad, Tzanyuan etraby, Zhuzhou şäheri.
E-poçta: cd@cdcarbide.com
Tel:+86-731-22506139
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