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OSG

OSG is a Japanese cutting-tool manufacturer with a product range that includes taps, drills, end mills, reamers, and thread-forming tools. The company was founded in 1938 and has since established manufacturing and sales operations in multiple regions. OSG's catalog is organized around holemaking and threading operations, with specific product families addressing different materials and machining conditions. The taps supplied by 3G Electric include general-purpose spiral-point, spiral-flute, straight-flute, and thread-forming styles. These are available in metric and UNC thread sizes, with tolerances such as 6H, H2, and D9, and chamfer options including plug and bottoming. Materials cover high-speed steel, vanadium high-speed steel, cobalt, and solid carbide, with coatings like TiN and black oxide applied for wear resistance and reduced friction. The drills in this line include coolant-through solid carbide extended-length bits, such as the A BRAND series, with point angles like 140° and X-thinning for stability in steel and cast iron. Chucking reamers are offered in straight-flute solid carbide construction for finishing drilled or bored holes to tight diameter tolerances. Thread-forming taps are designed for ductile materials including aluminum, steel, and stainless steel, producing threads by displacement rather than cutting. The STI taps are intended for cutting internal threads to accept helical wire thread inserts, with specifications like #10-24 UNC and H2 tolerance for 2B-3B class of fit. 3G Electric supplies OSG cutting tools as part of its industrial-equipment distribution. The product data available includes manufacturer part numbers, thread sizes, tolerances, chamfer types, flute counts, and material specifications. This allows procurement and engineering teams to match tools to specific holemaking and threading requirements. 3G Electric handles logistics for global delivery, so buyers outside Singapore can source these items without regional restrictions. The focus is on providing the specified tool with the correct attributes rather than substituting alternatives. For maintenance and production operations, this means access to OSG's standard catalog items through a single distribution channel. The range covers common threading and hole-finishing tasks, from through-hole tapping with spiral-point taps to blind-hole threading with spiral-flute taps, and precision reaming with solid carbide tools. The information provided for each SKU is intended to support technical evaluation and ordering. 3G Electric does not manufacture these tools; it distributes them as part of its broader industrial supply portfolio.

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About OSG

OSG is a Japanese cutting-tool manufacturer with a product range that includes taps, drills, end mills, reamers, and thread-forming tools. The company was founded in 1938 and has since established manufacturing and sales operations in multiple regions. OSG's catalog is organized around holemaking and threading operations, with specific product families addressing different materials and machining conditions. The taps supplied by 3G Electric include general-purpose spiral-point, spiral-flute, straight-flute, and thread-forming styles. These are available in metric and UNC thread sizes, with tolerances such as 6H, H2, and D9, and chamfer options including plug and bottoming. Materials cover high-speed steel, vanadium high-speed steel, cobalt, and solid carbide, with coatings like TiN and black oxide applied for wear resistance and reduced friction. The drills in this line include coolant-through solid carbide extended-length bits, such as the A BRAND series, with point angles like 140° and X-thinning for stability in steel and cast iron. Chucking reamers are offered in straight-flute solid carbide construction for finishing drilled or bored holes to tight diameter tolerances. Thread-forming taps are designed for ductile materials including aluminum, steel, and stainless steel, producing threads by displacement rather than cutting. The STI taps are intended for cutting internal threads to accept helical wire thread inserts, with specifications like #10-24 UNC and H2 tolerance for 2B-3B class of fit. 3G Electric supplies OSG cutting tools as part of its industrial-equipment distribution. The product data available includes manufacturer part numbers, thread sizes, tolerances, chamfer types, flute counts, and material specifications. This allows procurement and engineering teams to match tools to specific holemaking and threading requirements. 3G Electric handles logistics for global delivery, so buyers outside Singapore can source these items without regional restrictions. The focus is on providing the specified tool with the correct attributes rather than substituting alternatives. For maintenance and production operations, this means access to OSG's standard catalog items through a single distribution channel. The range covers common threading and hole-finishing tasks, from through-hole tapping with spiral-point taps to blind-hole threading with spiral-flute taps, and precision reaming with solid carbide tools. The information provided for each SKU is intended to support technical evaluation and ordering. 3G Electric does not manufacture these tools; it distributes them as part of its broader industrial supply portfolio.

Common Applications

  • Aerospace — OSG STI taps for installing helical wire thread inserts in aluminum components
  • Automotive — OSG spiral-point taps for through-hole threading in engine blocks and transmission cases
  • General machining — OSG spiral-flute taps for blind-hole threading in steel and stainless steel parts
  • Heavy equipment repair — OSG thread-forming taps for creating threads in ductile iron and steel castings
  • Precision manufacturing — OSG solid carbide chucking reamers for finishing holes in hydraulic manifolds
  • Die and mold — OSG coolant-through solid carbide drills for deep-hole drilling in tool steels

Frequently asked questions

Common questions about OSG from 3G Electric.

What is the difference between OSG spiral-point and spiral-flute taps?

OSG spiral-point taps, such as the M16x2 model with 6H tolerance, are designed for through-hole threading. The spiral point pushes chips ahead of the tap, preventing chip accumulation in the hole. Spiral-flute taps, like the M5x0.8 with bottoming chamfer, have flutes that pull chips backward out of the hole, making them suitable for blind holes. The choice depends on hole type and chip evacuation requirements. Both styles are available in various materials and coatings.

What materials are OSG thread-forming taps suitable for?

OSG thread-forming taps, such as the M8x1.25 with D9 / 6H tolerance, are intended for ductile materials including aluminum, steel, and stainless steel. These taps form threads by displacing material rather than cutting, which can produce stronger threads and eliminate chips. They are typically used in applications where chip-free threading is required. The cobalt construction and TiN coating provide wear resistance. They are not recommended for brittle materials where displacement could cause cracking.

What are the specifications of the OSG A BRAND extra long drill bit?

The OSG A BRAND extra long drill bit is a coolant-through solid carbide drill with a 2 mm diameter and 75 mm overall length. It features a 140° X-thinning point and is designed for steel and cast iron. The coolant-through design helps with chip evacuation and heat reduction in deep-hole drilling. The extended length allows access to difficult-to-reach areas. This drill is part of OSG's range of solid carbide drilling tools.

What is the purpose of an OSG STI tap?

OSG STI taps are used to cut internal threads that will accept helical wire thread inserts. The #10-24 UNC STI tap with H2 tolerance and plug chamfer is an example. These taps produce a larger minor diameter than standard taps to accommodate the insert. The 2B-3B class of fit indicates the tolerance range for the thread. STI taps are common in aerospace, automotive, and industrial repair applications where thread reinforcement is needed.

What are OSG straight-flute solid carbide chucking reamers used for?

OSG straight-flute solid carbide chucking reamers are used for precision finishing of drilled or bored holes. They achieve tight diameter tolerances and smooth surface finishes in ferrous and non-ferrous materials. The straight-flute design is suited for through-hole reaming where chip evacuation is not a primary concern. These reamers are available in various diameters, such as 0.2441 in and 0.4291 in, with specific manufacturer part numbers. They are typically used in machining operations requiring accurate hole sizing.

Does 3G Electric supply OSG products?

Yes — 3G Electric (S) Pte. Ltd. supplies OSG products. We stock the OSG catalog and supply genuine factory-original products with full manufacturer warranty and technical support.