We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
OSG Spiral Flute Tap: #2-56 UNC, H2 / 2B-3B, 2 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: #2-56 UNC, H2 / 2B-3B, 2 Flute

SKU 3G-OTH-218829

Brand
OSG
Item
Spiral Flute Tap: #2-56 UNC, H2 / 2B-3B, 2 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

OSG
Manufacturer Part Number
1645002562
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Frequently Asked Questions

What is an OSG spiral flute tap used for?

An OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. This makes it ideal for automotive, aerospace, and general manufacturing applications where reliable thread quality is critical.

What are the specifications of the OSG #2-56 UNC spiral flute tap?

This OSG tap has a #2-56 UNC thread size, H2 / 2B-3B tolerance class, 2 flutes, and a modified bottoming chamfer. It is designed for threading blind holes in steel and stainless steel. The manufacturer part number is 1645002562.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance for global delivery. As a sourcing specialist across 14 industrial departments, we provide genuine OSG cutting tools like this #2-56 UNC spiral flute tap. Contact us for availability and lead time to your location.

How to select the right spiral flute tap for steel?

Select a spiral flute tap based on thread size, material, and hole type. For blind holes in steel, use a modified bottoming chamfer to thread close to the bottom. Match the tap tolerance (e.g., H2) to the required thread class (2B-3B). OSG taps are a trusted choice for consistent performance in demanding applications.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
OSG Spiral Flute Tap: #2-56 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1748901). Key specifications — attr1299826: H2 / 2B-3B.
OSG
OSG Spiral Flute Tap: #2-56 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1748901). Key specifications — attr1299826: H2 / 2B-3B.
OSG Spiral Flute Tap: #3-48 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645003482). Key specifications — attr1299826: H2 / 2B-3B.
OSG
OSG Spiral Flute Tap: #3-48 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645003482). Key specifications — attr1299826: H2 / 2B-3B.
OSG Spiral Flute Tap: #5-40 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645005402). Key specifications — attr1299826: H2 / 2B-3B.
OSG
OSG Spiral Flute Tap: #5-40 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645005402). Key specifications — attr1299826: H2 / 2B-3B.
OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645004402). Key specifications — attr1299826: H2 / 2B-3B.
OSG
OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645004402). Key specifications — attr1299826: H2 / 2B-3B.
OSG Spiral Flute Tap: #6-32 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645006322). Key specifications — attr1299826: H2 / 2B-3B.
OSG
OSG Spiral Flute Tap: #6-32 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645006322). Key specifications — attr1299826: H2 / 2B-3B.
OSG Spiral Flute Tap: #6-32 UNC, H3 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645006323). Key specifications — attr1299826: H3 / 2B-3B.
OSG
OSG Spiral Flute Tap: #6-32 UNC, H3 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645006323). Key specifications — attr1299826: H3 / 2B-3B.

More from OSG

View all OSG parts →
OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1753201). Key specifications — attr1299826: H3 / 2B-3B.
OSG
OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1753201). Key specifications — attr1299826: H3 / 2B-3B.
OSG Spiral Flute Tap: 1/2"-20 UNF, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1705001)
OSG
OSG Spiral Flute Tap: 1/2"-20 UNF, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1705001)
OSG Spiral Flute Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650512208)
OSG
OSG Spiral Flute Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650512208)
OSG Spiral Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1722601)
OSG
OSG Spiral Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1722601)
OSG Spiral Flute Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650509008). Key specifications — attr1299826: H2 / 2B-3B.
OSG
OSG Spiral Flute Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650509008). Key specifications — attr1299826: H2 / 2B-3B.
OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1732905). Key specifications — attr1299826: H3 / 2B-3B.
OSG
OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1732905). Key specifications — attr1299826: H3 / 2B-3B.
OSG Spiral Flute Tap: M22x1 Metric, D5 / 4H-6H, 4 Flute, Modified Bottoming Chamfer (MPN 1650006808). Key specifications — attr1299826: D5 / 4H-6H.
OSG
OSG Spiral Flute Tap: M22x1 Metric, D5 / 4H-6H, 4 Flute, Modified Bottoming Chamfer (MPN 1650006808). Key specifications — attr1299826: D5 / 4H-6H.
OSG Spiral Flute Tap: M4x0.7 Metric, D4 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 1705608). Key specifications — attr1299826: D4 / 4H-6H.
OSG
OSG Spiral Flute Tap: M4x0.7 Metric, D4 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 1705608). Key specifications — attr1299826: D4 / 4H-6H.