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OSG Spiral Point Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-216089

Brand
OSG
Item
Spiral Point Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Point Taps
Available to Order
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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
2835401

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 2835401 used for?

The OSG spiral point tap 2835401 is designed for through-hole threading in metalworking. Its spiral point pushes chips ahead, reducing clogging. 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 1/4-28 UNF tap?

This OSG tap has a 1/4-28 UNF thread size, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a general-purpose spiral-point tap for through-hole applications. The manufacturer part number is 2835401.

Where to buy OSG taps like 2835401 worldwide?

3G Electric supplies OSG taps including model 2835401 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this spiral point tap.

How to select the correct OSG tap for UNF threads?

For UNF threads like 1/4-28, match the tap's thread size, pitch, and tolerance class (e.g., H4 / 2B-3B) to your hole and material. Use a spiral point tap for through holes to clear chips forward. OSG taps are precision-ground for consistent thread quality.

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: #4-40 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2811401)
OSG
OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2811401)
This spiral-point tap is designed for through-hole threading in metals. The spiral-point geometry pushes chips forward, reducing clogging and breakage. It is suitable for creating UNF threads in steel, aluminum, and alloys in general manufacturing applications
OSG
This spiral-point tap is designed for through-hole threading in metals. The spiral-point geometry pushes chips forward, reducing clogging and breakage. It is suitable for creating UNF threads in steel, aluminum, and alloys in general manufacturing applications
OSG Spiral Point Tap: 1/4"-28 UNF, H6 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2840501)
OSG
OSG Spiral Point Tap: 1/4"-28 UNF, H6 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2840501)
Spiral-point tap designed for through-hole threading, pushing chips ahead for efficient chip evacuation. Suitable for high-speed production in materials such as steel, stainless steel, and aluminum. Thread size 1/4"-28 UNF with H5 tolerance for 2B-3B class fit, 3 flutes, and plug chamfer
OSG
Spiral-point tap designed for through-hole threading, pushing chips ahead for efficient chip evacuation. Suitable for high-speed production in materials such as steel, stainless steel, and aluminum. Thread size 1/4"-28 UNF with H5 tolerance for 2B-3B class fit, 3 flutes, and plug chamfer
OSG Spiral Point Tap: 3/4"-10 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2833601)
OSG
OSG Spiral Point Tap: 3/4"-10 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2833601)
OSG Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2830401)
OSG
OSG Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2830401)

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