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OSG 9/16"-18 UNF General Purpose Spiral-Point Tap - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG 9/16"-18 UNF General Purpose Spiral-Point Tap

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-216375

Brand
OSG
Item
9/16"-18 UNF General Purpose Spiral-Point Tap
Category
General Purpose Spiral-Point Taps
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
2857800

Technical Documents

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

Product Description

OSG General Purpose Spiral-Point Taps.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the OSG Spiral Point Tap 2857800 used for?

The OSG Spiral Point Tap 2857800 is a general-purpose tap designed for through-hole threading in metals. Its spiral-point design pushes chips forward, reducing clogging and breakage. It is commonly used in automotive, aerospace, and general manufacturing for creating UNF threads in steel, aluminum, and alloys.

What are the specifications of the OSG Spiral Point Tap 2857800?

The OSG Spiral Point Tap 2857800 has a thread size of 9/16"-18 UNF, with a H3 / 2B-3B tolerance class. It features 3 flutes and a plug chamfer. The manufacturer part number is 2857800. This tap is designed for through-hole applications and provides accurate thread forming in various materials.

Where to buy the OSG Spiral Point Tap 2857800 worldwide?

You can source the OSG Spiral Point Tap 2857800 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; we supply genuine OSG cutting tools to industrial buyers internationally.

How to select the correct OSG Spiral Point Tap for UNF threads?

To select the correct OSG spiral point tap, match the thread size (e.g., 9/16"-18 UNF) and tolerance class (H3 / 2B-3B) to your application. For through holes, a plug chamfer and spiral point design are ideal. Ensure the tap material suits your workpiece—OSG taps are available for steel, stainless, and aluminum. Consult OSG's technical data for optimal speeds and feeds.

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 general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Point Tap: 9/16"-12 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2857600)
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OSG Spiral Point Tap: 9/16"-12 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2857600)
Spiral-point tap for threading through or blind holes in ferrous and non-ferrous materials. The spiral-point design pushes chips forward to reduce clogging and breakage. Thread size 7/16"-20 UNF with H3 / 2B-3B tolerance, 3 flutes, and plug chamfer
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Spiral-point tap for threading through or blind holes in ferrous and non-ferrous materials. The spiral-point design pushes chips forward to reduce clogging and breakage. Thread size 7/16"-20 UNF with H3 / 2B-3B tolerance, 3 flutes, and plug chamfer
General purpose spiral-point tap for through-hole threading in metals. The spiral-point design pushes chips forward, reducing clogging and breakage. Thread size 3/4"-16 UNF with H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. Suitable for creating UNF threads in steel, aluminum, and alloys
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General purpose spiral-point tap for through-hole threading in metals. The spiral-point design pushes chips forward, reducing clogging and breakage. Thread size 3/4"-16 UNF with H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. Suitable for creating UNF threads in steel, aluminum, and alloys
OSG Spiral Point Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2831200)
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OSG Spiral Point Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2831200)
General purpose spiral-point tap with 7/16"-14 UNC thread size, H3 / 2B-3B tolerance class, 3 flutes, and plug chamfer. Designed for threading blind or through holes in ferrous and non-ferrous materials. The spiral-point design pushes chips forward to reduce clogging and improve thread quality in production environments
OSG
General purpose spiral-point tap with 7/16"-14 UNC thread size, H3 / 2B-3B tolerance class, 3 flutes, and plug chamfer. Designed for threading blind or through holes in ferrous and non-ferrous materials. The spiral-point design pushes chips forward to reduce clogging and improve thread quality in production environments
OSG Spiral Point Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2832600)
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OSG Spiral Point Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2832600)

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General purpose spiral-point tap for through-hole threading. Features TiN-coated high-speed steel construction with plug chamfer and 2 flutes. Suitable for threading ferrous materials in production environments
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OSG Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1236208)
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General purpose spiral-point tap for through-hole threading. Features a 1/4"-28 UNF thread, H3 / 2B-3B tolerance, 2-flute design, and bottoming chamfer. The spiral-point geometry pushes chips ahead, reducing clogging and enabling efficient tapping in materials such as steel, aluminum, and cast iron
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General purpose spiral-point tap for through-hole threading. Features a 1/4"-28 UNF thread, H3 / 2B-3B tolerance, 2-flute design, and bottoming chamfer. The spiral-point geometry pushes chips ahead, reducing clogging and enabling efficient tapping in materials such as steel, aluminum, and cast iron
OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2811408)
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OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2811408)
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features an M6x1 metric thread with 6H tolerance, 2 flutes, and a plug chamfer. Made from high-speed steel, it pushes chips forward to prevent clogging during production threading operations
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This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features an M6x1 metric thread with 6H tolerance, 2 flutes, and a plug chamfer. Made from high-speed steel, it pushes chips forward to prevent clogging during production threading operations
OSG Spiral Point Tap: 1"-12 UNF, H4 / 2B, 4 Flute, Plug Chamfer (MPN 2839600)
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General purpose spiral-point tap for threading blind or through holes. Made of high-speed steel with a plug chamfer and 2 flutes. Rated H1 / 2B-3B. The spiral-point design pushes chips forward to reduce clogging during operation
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General purpose spiral-point tap for threading blind or through holes. Made of high-speed steel with a plug chamfer and 2 flutes. Rated H1 / 2B-3B. The spiral-point design pushes chips forward to reduce clogging during operation