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OSG Square End Mill: Carbide, WXL Coated, 4 Flute, 15 mm Mill Dia, 40 mm LOC - Carbide Square End Mills for Hardened Materials
OSGCarbide Square End Mills for Hardened Materials

OSG Square End Mill: Carbide, WXL Coated, 4 Flute, 15 mm Mill Dia, 40 mm LOC

The OSG Square End Mill is a carbide end mill for hardened materials, WXL coated, with 4 flutes, a 15 mm mill diameter, 40 mm length of cut, and 105 mm overall length (MPN 37420021). 3G Electric interprets this…

SKU 3G-OTH-309452

Brand
OSG
Item
Square End Mill: Carbide, WXL Coated, 4 Flute, 15 mm Mill Dia, 40 mm LOC
Category
Carbide Square End Mills for Hardened Materials
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
37420021
Type
WXL Coated
Mill Dia
15 mm
OAL
105 mm
Flute
4
LOC
40 mm

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Square End Mill is a carbide end mill for hardened materials, WXL coated, with 4 flutes, a 15 mm mill diameter, 40 mm length of cut, and 105 mm overall length (MPN 37420021). 3G Electric interprets this demand and delivers it across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is the OSG 37420021 square end mill used for?

The OSG 37420021 carbide square end mill is designed for machining hardened materials. Its WXL coating and 4-flute geometry provide wear resistance and surface finish in die, mold, and aerospace applications. It is suitable for high-speed milling of steels up to 65 HRC.

What are the specifications of the OSG 37420021 end mill?

The OSG 37420021 is a carbide square end mill with WXL coating, 4 flutes, 15 mm mill diameter, 40 mm length of cut, and 105 mm overall length. It is designed for hardened materials and is manufactured by OSG. The part number is 37420021.

Where to buy the OSG 37420021 end mill worldwide?

You can source the OSG 37420021 carbide end mill through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the correct OSG square end mill for hardened steel?

Select an OSG square end mill like the 37420021 based on material hardness, required finish, and machine rigidity. For hardened steel, choose a carbide tool with a wear-resistant coating such as WXL. Match the mill diameter and flute length to your cut depth and tool holder capacity.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG Products

3G Electric supplies OSG carbide square end mills for hardened materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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