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5/16" 3 Flute Solid Carbide Long End Mill, 4" Overall Length, DLC Coated
✅ In stock
📉 Price recently dropped
D
Grade
Analysis Confidence
63%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 19, 2026 7:32 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
😐 Weak Deal- 😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The listed retail price is trimmed by 6% at checkout.
- 📉Pricing has not dipped this low in roughly six months, placing this offer among the better deals in that window.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
4.76/28
Recent Value
6.06/22
Market Standing
10.53/20
Deal Strength
10/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
SEFHLI
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓𝐏𝐚𝐜𝐤𝐚𝐠𝐞 𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐝: 1pc 5/16" 3 Flute 37° Helix Long Carbide End Mill.
✓𝐒𝐩𝐞𝐜𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: 5/16" cutting diameter x 5/16" shank diameter x 1-5/8" length of cut x 4" overall length, 3 Flute, 37° Helix, Solid Carbide End Mill, DLC Coated.
✓𝐃𝐋𝐂 𝐂𝐨𝐚𝐭𝐢𝐧𝐠: Dlc(Diamond-Like Carbon) Coating Has Ultra-High Hardness,Low Friction Coefficient, High Temperature Resistance, Good Electrical Insulation, Chemical Barrier, High Thermal Conductivity, Ultra-High Anti-Blocking Performance.
✓𝐌𝐚𝐭𝐞𝐫𝐢𝐚𝐥: SEFHLI end mill is made from solid carbide, which gives it exceptional toughness, durability, and machinability and offer long tool life and faster cutting speeds than other substrates.
✓𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐬: 3 flute and 37-degree helix allow harmonic balance at high speed condition and smooth cutting. Precision ground using the highest quality grinding wheels. High strength and hardness, abrasion resistant, practical, easy to use and durable in use.
✓𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧: High velocity milling of Aluminum and Copper.
⚙️ Specifications
Material
Tungsten Carbide
Cutting Length
1-5/8 inches
Finish Type
DLC
Cutting Diameter
0.31 inches
Number of Flutes
3
Size
5/16" x 1-5/8" x 4"
End Cut Type
Square End
Cut Type
Center Cutting
Brand
SEFHLI
Shape
Round
Item Weight
2.4 ounces
