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

OSG Spiral-Flute Tap: #4-40 UNC, H2 / 2B-3B, 3 Flute, Bottoming Chamfer

OSG Spiral-Flute Taps for Steel & Stainless Steel.

SKU 3G-OTH-218588

Brand
OSG
Item
Spiral-Flute Tap: #4-40 UNC, H2 / 2B-3B, 3 Flute, Bottoming Chamfer
Category
Spiral-Flute Taps for Steel & Stainless Steel
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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
0135608

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 lifts chips upward, preventing clogging in deep holes. It is commonly used in automotive, aerospace, and general manufacturing for creating precise internal threads in ferrous materials.

What are the specifications of the OSG spiral flute tap #4-40 UNC?

The OSG spiral flute tap #4-40 UNC has a thread size of #4-40 UNC, a H2 / 2B-3B tolerance class, 3 flutes, and a bottoming chamfer. The manufacturer part number is 0135608. It is designed for threading steel and stainless steel, ensuring accurate thread fit and chip evacuation.

Where to buy the OSG spiral flute tap #4-40 UNC worldwide?

You can source the OSG spiral flute tap #4-40 UNC (MPN 0135608) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we supply genuine OSG taps for your threading applications.

How to select the correct OSG spiral flute tap for steel?

To select the correct OSG spiral flute tap for steel, match the thread size (e.g., #4-40 UNC), chamfer type (bottoming for blind holes), and tolerance class (H2 / 2B-3B) to your application. Ensure the tap is rated for steel and stainless steel. OSG taps are engineered for chip evacuation and thread accuracy in ferrous materials.

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, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 0135708)
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OSG Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 0135708)
Spiral-flute tap for threading blind holes in steel and stainless steel. #4-40 UNC thread size, H2 tolerance for class 2B-3B fit. 2-flute design with modified bottoming chamfer evacuates chips upward to prevent clogging in deep-hole applications
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Spiral-flute tap for threading blind holes in steel and stainless steel. #4-40 UNC thread size, H2 tolerance for class 2B-3B fit. 2-flute design with modified bottoming chamfer evacuates chips upward to prevent clogging in deep-hole applications
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)
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OSG Spiral Flute Tap: #4-48 UNF, H2 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 0135808)
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a #4-40 UNC thread size, H2 / 2B-3B tolerance, 2 flutes, and modified bottoming chamfer. The spiral flute design evacuates chips upward to prevent clogging. Suitable for materials up to 850 MPa tensile strength
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a #4-40 UNC thread size, H2 / 2B-3B tolerance, 2 flutes, and modified bottoming chamfer. The spiral flute design evacuates chips upward to prevent clogging. Suitable for materials up to 850 MPa tensile strength
This spiral-flute tap is designed for threading steel and stainless steel. The #4-48 UNF size with bottoming chamfer allows threading to the bottom of blind holes. It features 3 flutes and H2 tolerance for 2B-3B class threads
OSG
This spiral-flute tap is designed for threading steel and stainless steel. The #4-48 UNF size with bottoming chamfer allows threading to the bottom of blind holes. It features 3 flutes and H2 tolerance for 2B-3B class threads

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