SPMX 050204 Grade FM125 #FMCarbide Drill Insert

SPMX 050204, grade FM125 — positive square drilling insert.

Square indexable insert, ISO designation SPMX 050204. FM125 is a PVD grade — multi-purpose milling and drilling grade — PVD coating with thermal resistance and a tough substrate.

Specifications

• Insert designation (ISO): SPMX 050204
• Insert shape: square (S)
• Clearance angle: 11° (P)
• Tolerance class: M
• Grade: FM125
• Coating: PVD
• ISO application range: P20–P35 · M10–M30 · K20–K40 · S15–S25
• Cutting speed, non-alloy steel: 460–1250 SFM (140–380 m/min)
• Cutting speed, low-alloy steel: 390–980 SFM (120–300 m/min)
• Cutting speed, high-alloy steel: 230–490 SFM (70–150 m/min)
• Cutting speed, ferritic & martensitic stainless: 390–660 SFM (120–200 m/min)
• Cutting speed, austenitic stainless: 430–820 SFM (130–250 m/min)
• Cutting speed, grey cast iron: 390–820 SFM (120–250 m/min)
• Cutting speed, nodular cast iron: 430–720 SFM (130–220 m/min)
• Cutting speed, titanium & super-alloys: 80–150 SFM (25–45 m/min)
• Cutting speed, hardened material: 130–260 SFM (40–80 m/min)

DRILLING KNOW-HOW

Get more from your drilling inserts.

Practical guides to choosing, understanding and running your drills.

01 / SELECTION

Grades & chip breakers

Explore the grade and chip-breaker selection chart for your hole-making operation.

Explore the chart → 02 / DRILL CHOICE

Mastering drill selection

Match the drill to the hole, the material and the machine before you cut.

Read the guide → 03 / MATERIAL

Cobalt vs. carbide

Where each substrate belongs, and what it costs you to get it wrong.

Read the comparison →