Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
OSG Screw Thread Insert STI Tap: Straight Fute, #10-32 UNF, H3 / 2B-3B, 3 Flute - General Purpose STI Taps
OSGGeneral Purpose STI Taps

OSG Screw Thread Insert STI Tap: Straight Fute, #10-32 UNF, H3 / 2B-3B, 3 Flute

The OSG Screw Thread Insert STI Tap (MPN 1811500) is a general-purpose STI tap with a straight flute design, sized #10-32 UNF. It features a bottoming chamfer, 3 flutes, and an H3 / 2B-3B tolerance class for thread…

SKU 3G-OTH-262039

Brand
OSG
Item
Screw Thread Insert STI Tap: Straight Fute, #10-32 UNF, H3 / 2B-3B, 3 Flute
Category
General Purpose STI Taps
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
1811500
Type
#10-32 UNF, H3 / 2B-3B, Bottoming Chamfer
Flute
3
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

Product Description

The OSG Screw Thread Insert STI Tap (MPN 1811500) is a general-purpose STI tap with a straight flute design, sized #10-32 UNF. It features a bottoming chamfer, 3 flutes, and an H3 / 2B-3B tolerance class for thread insert installation.

Frequently Asked Questions

What is the OSG Screw Thread Insert STI Tap used for?

The OSG Screw Thread Insert STI Tap is used to cut internal threads in pre-drilled holes for installing helical screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed in softer materials like aluminum or cast iron.

What are the specifications of the OSG STI Tap 1811500?

This OSG STI Tap has a #10-32 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is a general-purpose straight flute tap designed for screw thread insert installation. The manufacturer part number is 1811500.

Where to buy the OSG STI Tap 1811500 worldwide?

You can source the OSG STI Tap 1811500 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this OSG tap.

How to select the correct OSG STI tap for thread inserts?

Select an OSG STI tap based on the thread size and pitch of the insert, such as #10-32 UNF. Ensure the tap has the correct tolerance class (e.g., H3 / 2B-3B) and chamfer type—bottoming for blind holes, plug for through holes. Match the tap to the insert manufacturer's recommendations.

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 sti taps. 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 Screw Thread Insert STI Tap: Straight Fute, #10-32 UNF, H2 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1805900). Key specifications — attr1299996: H2 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, #10-32 UNF, H2 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1805900). Key specifications — attr1299996: H2 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, #10-24 UNC, H2 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1805700). Key specifications — attr1299996: H2 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, #10-24 UNC, H2 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1805700). Key specifications — attr1299996: H2 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, #6-32 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1810500). Key specifications — attr1299996: H3 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, #6-32 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1810500). Key specifications — attr1299996: H3 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, #8-32 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1810900). Key specifications — attr1299996: H3 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, #8-32 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1810900). Key specifications — attr1299996: H3 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1812100). Key specifications — attr1299996: H3 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1812100). Key specifications — attr1299996: H3 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 5/16"-18 UNC, H3 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 1812500). Key specifications — attr1299996: H3 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 5/16"-18 UNC, H3 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 1812500). Key specifications — attr1299996: H3 / 2B-3B.

More from OSG

View all OSG parts →
OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-20 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12601400). Key specifications — attr1299996: H4 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-20 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12601400). Key specifications — attr1299996: H4 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-20 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 1813900). Key specifications — attr1299996: H3 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-20 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 1813900). Key specifications — attr1299996: H3 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 5/8"-11 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12602600). Key specifications — attr1299996: H4 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 5/8"-11 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12602600). Key specifications — attr1299996: H4 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 3/4"-16 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12603800). Key specifications — attr1299996: H4 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 3/4"-16 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12603800). Key specifications — attr1299996: H4 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, #3-48 UNC, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 6003200). Key specifications — attr1299996: H2 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, #3-48 UNC, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 6003200). Key specifications — attr1299996: H2 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-14 UNC, H4 / 2B-3B, 4 Flute, Plug Chamfer (MPN 6019800). Key specifications — attr1299996: H4 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-14 UNC, H4 / 2B-3B, 4 Flute, Plug Chamfer (MPN 6019800). Key specifications — attr1299996: H4 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, M3x0.5 Metric, D2 / 4H-6H, 3 Flute, High Speed Steel (MPN 12800300). Key specifications — attr1299996: D2 / 4H-6H.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, M3x0.5 Metric, D2 / 4H-6H, 3 Flute, High Speed Steel (MPN 12800300). Key specifications — attr1299996: D2 / 4H-6H.
OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-20 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 1813500). Key specifications — attr1299996: H3 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-20 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 1813500). Key specifications — attr1299996: H3 / 2B-3B.