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OSG 1/4"-28 UNF General Purpose Spiral-Flute Tap - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG 1/4"-28 UNF General Purpose Spiral-Flute Tap

The OSG Spiral Flute Tap (1/4"-28 UNF, MPN 2935400) is a general-purpose spiral-flute tap with a modified bottoming chamfer, 3 flutes, and H4 / 2B-3B tolerance class. 3G Electric interprets demand and delivers this…

SKU 3G-OTH-230908

Brand
OSG
Item
1/4"-28 UNF General Purpose Spiral-Flute Tap
Category
General Purpose Spiral-Flute Taps
Available to Order
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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
2935400
Type
H4 / 2B-3B, Modified Bottoming Chamfer
Flute
3

Technical Documents

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

Product Description

The OSG Spiral Flute Tap (1/4"-28 UNF, MPN 2935400) is a general-purpose spiral-flute tap with a modified bottoming chamfer, 3 flutes, and H4 / 2B-3B tolerance class. 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments — with specialist depth in combustion, pumps, and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.

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 flute tap 2935400 used for?

The OSG spiral flute tap 2935400 is used for threading blind holes in materials such as steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging. It is suitable for general-purpose tapping in manufacturing and maintenance applications.

What are the specifications of the OSG tap 2935400?

The OSG tap 2935400 has a 1/4"-28 UNF thread size, H4 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is a general-purpose spiral flute tap designed for blind hole threading. The manufacturer part number is 2935400.

Where to buy OSG taps in worldwide?

You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG spiral flute tap 2935400.

How to select the right OSG spiral flute tap for blind holes?

Select an OSG spiral flute tap based on thread size, tolerance class, and chamfer type. For blind holes, use a spiral flute design with a bottoming chamfer to thread near the hole bottom. Match the tap's H limit to the required thread class, such as H4 for 2B-3B fits.

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

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Cross-referenced by specification & description
OSG Spiral Flute Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2935408)
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OSG Spiral Flute Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2935408)
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its 4-flute design and modified bottoming chamfer allow chips to be pulled upward, preventing clogging and ensuring clean threads in general-purpose machining applications
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This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its 4-flute design and modified bottoming chamfer allow chips to be pulled upward, preventing clogging and ensuring clean threads in general-purpose machining applications
This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. It features a modified bottoming chamfer and 4 flutes to efficiently evacuate chips upward. The H3 / 2B-3B tolerance class ensures precise UNF threads. Suitable for general manufacturing applications requiring blind-hole threading
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This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. It features a modified bottoming chamfer and 4 flutes to efficiently evacuate chips upward. The H3 / 2B-3B tolerance class ensures precise UNF threads. Suitable for general manufacturing applications requiring blind-hole threading
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General purpose spiral-flute tap for threading blind holes. Thread size 1/2"-20 UNF, tolerance H3 / 2B-3B, with 3 flutes and a modified bottoming chamfer. The spiral flute design evacuates chips upward to prevent clogging, suitable for steel and aluminum
General purpose spiral-flute tap with 1/2"-20 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and modified bottoming chamfer. Designed for threading blind holes in materials such as steel and aluminum; the spiral flute lifts chips upward to prevent clogging. Suitable for applications requiring precise fit and chip evacuation
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General purpose spiral-flute tap with 1/2"-20 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and modified bottoming chamfer. Designed for threading blind holes in materials such as steel and aluminum; the spiral flute lifts chips upward to prevent clogging. Suitable for applications requiring precise fit and chip evacuation
OSG Spiral Flute Tap: 7/8"-14 UNF, H4 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 2939208)
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Spiral-flute tap for threading blind holes in steel and aluminum. The spiral flute design evacuates chips upward, preventing clogging. Features a modified bottoming chamfer for threading close to the bottom of the hole. Tolerance class H4 / 2B-3B for precise fit control
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General purpose spiral-flute tap with #12-24 UNC thread size. Features a modified bottoming chamfer for threading close to the bottom of blind holes. The spiral flute design evacuates chips upward, preventing clogging. Tolerance class H3 / 2B-3B. Suitable for threading in ferrous and non-ferrous materials in manufacturing and maintenance applications
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This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute lifts chips upward, preventing clogging in deep or blind holes. With a modified bottoming chamfer, it allows threading close to the hole bottom. Tolerance H3 / 2B-3B ensures precise thread fit
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This OSG spiral-flute tap is designed for threading blind holes in materials such as steel, stainless steel, and aluminum. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes. It features a 1/2"-13 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer for threading to the bottom of blind holes