OSG Countersink: 90°, 6 Flute, 3/8 in Body Dia
SKU 3G-OTH-188385
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Frequently Asked Questions
What is the OSG 706-3750-090 countersink used for?
The OSG 706-3750-090 is a 90°, 6-flute carbide countersink used to create smooth, chamfered holes in metal and composite materials. It is ideal for deburring and countersinking screw heads in precision machining, aerospace, and automotive applications, ensuring a clean finish without chatter.
What are the specifications of the OSG 706-3750-090 countersink?
The OSG 706-3750-090 has a 90° included angle, 6 flutes, and a 3/8 in body diameter. It is made of carbide for durability and long tool life. The manufacturer part number is 706-3750-090, and it is designed for smooth-finish countersinking in hard materials.
Where to buy the OSG 706-3750-090 countersink worldwide?
You can source the OSG 706-3750-090 countersink through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine OSG tooling without supply chain delays.
How to select the right OSG countersink for your application?
To select the right OSG countersink, match the angle (e.g., 90°) to your screw head type, choose flute count based on material hardness, and confirm body diameter fits your tool holder. For hard metals, carbide like the 706-3750-090 provides longer life. Consult OSG's technical data for feed and speed recommendations.
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Common applications for OSGOSG Products
3G Electric supplies OSG smooth-finish six-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















