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Product Specifications:
| Item | Square End Mill |
| Cast Iron (k) Compatibility | Yes |
| Cutting Direction | Right Hand |
| Cutting Direction-machining | Right Hand |
| Cutting Length | 45 mm |
| Cutting Type | Center Cutting |
| Dimensions Type | Metric |
| Drilling Tool Configuration | Individual |
| End Mill Application | Roughing/Finishing |
| End Mill Cutting Type | Center Cutting |
| End Mill Style | Square |
| End Type | Single End |
| Finish | Titanium Aluminum Nitride Coating |
| Grade | General Purpose |
| Hardened Compatibility | Yes |
| Helix Angle | 50° |
| List Number | HP451 |
| Material | Carbide |
| Material Grade-machining | General Purpose |
| Milling Dia. | 20 mm |
| No. Of Flutes | 4 |
| Non Ferrous (n) Compatibility | No |
| Overall Length | 125 mm |
| Primary Material Application | Aluminum, Cast Iron, Hardened Steel, Steel, Tool And Die Steel |
| Primary Material Application Iso Code | H, K, N, P |
| Shank Dia. | 20 mm |
| Shank Type | Straight |
| Single End/double End | Single End |
| Stainless Compatibility | Yes |
| Steel (p) Compatibility | Yes |
| Super Alloy (s) Compatibility | No |
| System Of Measurement | Metric |
Shipping Info:
| Ship weight (kg) | 0.41 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 12.5 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | Milling Dia. | Shank Dia. | Primary Material Application Iso Code | Cutting Length | Grade | Material Grade-machining | Neck Length | Neck Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
84400623 | 0.188" | 1/4" | H, P | 1/2" | - | - | 0.767" | - | €109.26 | |
![]() |
20224500 | 0.469" | 1/2" | N | 1 1/4" | General Purpose | General Purpose | - | - | €116.12 | |
![]() |
20231700 | 1" | 1" | N | 1" | General Purpose | General Purpose | 2 5/8" | 63/64" | €500.21 | |
![]() |
20241700 | 1" | 1" | N | 1" | General Purpose | General Purpose | 3 3/8" | 63/64" | €616.20 | |
![]() |
HP410-0394 | 1 mm | 6 mm | H, K, P | 1.5 mm | General Purpose | General Purpose | 5 mm | 0.95 mm | €50.22 | |
![]() |
8502010 | 1 mm | 4 mm | N | 2.5 mm | General Purpose | General Purpose | - | - | €71.19 | |
![]() |
HP410-0551 | 1.4 mm | 6 mm | H, K, P | 2.1 mm | General Purpose | General Purpose | 7 mm | 1.35 mm | €58.54 |
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Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
OSG HP451-7874 Square End Mill, Center Cutting, 4 Flutes, 20 mm Milling Dia., 45 mm Length Of Cut
€706.92 /unit






