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

OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-24 UNF, H3 / 2B-3B, 3 Flute - Spiral-Point STI Taps for Steel & Stainless Steel
OSGSpiral-Point STI Taps for Steel & Stainless Steel

OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-24 UNF, H3 / 2B-3B, 3 Flute

The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 30101608, MPN 30101608) is a spiral-point STI tap for steel and stainless steel, with a 3/8"-24 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer…

SKU 3G-OTH-265439

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, 3/8"-24 UNF, H3 / 2B-3B, 3 Flute
Category
Spiral-Point STI Taps for Steel & Stainless Steel
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
30101608
Type
H3 / 2B-3B, Plug Chamfer
Flute
3
UNF
3/8"-24

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: Spiral Point (SKU 30101608, MPN 30101608) is a spiral-point STI tap for steel and stainless steel, with a 3/8"-24 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

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

An OSG Screw Thread Insert STI Tap is used to cut internal threads in steel and stainless steel for installing screw thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce threaded holes without replacing the parent material.

What are the specifications of the OSG STI Tap 30101608?

The OSG STI Tap 30101608 is a spiral-point tap with a 3/8"-24 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading holes that will accept screw thread inserts in steel and stainless steel. The manufacturer part number is 30101608.

Where to buy OSG STI Taps worldwide?

You can source OSG STI 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 this and other OSG threading tools.

How to select the correct OSG STI Tap for a repair job?

To select the correct OSG STI Tap, match the thread size and pitch (e.g., 3/8"-24 UNF) to the insert you plan to install. Verify the tap tolerance (H3 / 2B-3B) matches the required thread class. Use a spiral-point design for through-hole applications in steel or stainless steel.

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-point sti 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30101601)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30101601)
OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30101508)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30101508)
OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30101501)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30101501)
OSG Screw Thread Insert STI Tap: Spiral Point, 9/16"-18 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30102801)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 9/16"-18 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30102801)
OSG Screw Thread Insert STI Tap: Spiral Point, 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30101908)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30101908)
OSG Screw Thread Insert STI Tap: Spiral Point, 9/16"-18 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30102808)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 9/16"-18 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30102808)

More from OSG

View all OSG parts
OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-16 UNC, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30101401)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-16 UNC, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30101401)
OSG Screw Thread Insert STI Tap: Spiral Point, 1/2"-13 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30102208)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 1/2"-13 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30102208)
OSG Screw Thread Insert STI Tap: Spiral Point, 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30100808)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30100808)
OSG Screw Thread Insert STI Tap: Spiral Point, 5/8"-11 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30103101)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 5/8"-11 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30103101)
OSG Screw Thread Insert STI Tap: Spiral Point, #6-40 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30100301)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, #6-40 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30100301)
OSG Screw Thread Insert STI Tap: Spiral Point, 5/8"-11 UNC, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30103201)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 5/8"-11 UNC, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30103201)
OSG Screw Thread Insert STI Tap: Spiral Point, 5/16"-18 UNC, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30101101)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 5/16"-18 UNC, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30101101)
OSG Screw Thread Insert STI Tap: Spiral Point, 5/8"-11 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30103108)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 5/8"-11 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 30103108)