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OSG Spiral-Flute Tap #4-40 UNC H2 2B-3B 2-Flute Modified Bottoming - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral-Flute Tap #4-40 UNC H2 2B-3B 2-Flute Modified Bottoming

OSG Spiral-Flute Taps for Steel & Stainless Steel.

SKU 3G-OTH-219027

Brand
OSG
Item
Spiral-Flute Tap #4-40 UNC H2 2B-3B 2-Flute Modified Bottoming
Category
Spiral-Flute Taps for Steel & Stainless Steel
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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
1763905

Technical Documents

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

Product Description

OSG Spiral-Flute Taps for Steel & Stainless Steel.

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 #4-40 UNC used for?

The OSG spiral flute tap #4-40 UNC is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and enabling clean threads in deep or blind-hole applications common in automotive, aerospace, and general manufacturing.

What are the specifications of the OSG spiral flute tap MPN 1763905?

The OSG spiral flute tap MPN 1763905 is a #4-40 UNC tap with a H2 / 2B-3B tolerance class. It has 2 flutes and a modified bottoming chamfer, making it suitable for threading blind holes in steel and stainless steel. The H2 limit ensures precise thread fit for class 2B-3B applications.

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 #4-40 UNC MPN 1763905.

How to select the correct OSG tap for stainless steel?

For stainless steel, select an OSG spiral flute tap with a modified bottoming chamfer and H2 tolerance, like the #4-40 UNC MPN 1763905. The spiral flute design aids chip evacuation, while the H2 limit ensures proper thread fit. Always match the tap to the material hardness and thread class required.

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 spiral-flute taps for steel & stainless steel. 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: #4-40 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1763901)
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OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1763901)
OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1763908)
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OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1763908)
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OSG Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1748001)
Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design lifts chips upward, preventing clogging in deep holes. Thread size #4-40 UNC, tolerance class H2 / 2B-3B, 3 flutes, bottoming chamfer. Manufacturer part number 0135608
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Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design lifts chips upward, preventing clogging in deep holes. Thread size #4-40 UNC, tolerance class H2 / 2B-3B, 3 flutes, bottoming chamfer. Manufacturer part number 0135608
OSG Spiral Flute Tap: #4-40 UNC, H4 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1748101)
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OSG Spiral Flute Tap: #4-40 UNC, H4 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1748101)
Spiral-flute tap for threading steel and stainless steel. #4-48 UNF thread size, H2 tolerance class (2B-3B), 2-flute design with modified bottoming chamfer. Suitable for through-hole or blind-hole applications requiring chip evacuation
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Spiral-flute tap for threading steel and stainless steel. #4-48 UNF thread size, H2 tolerance class (2B-3B), 2-flute design with modified bottoming chamfer. Suitable for through-hole or blind-hole applications requiring chip evacuation

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