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

3G Electric
RFQ CartGet a QuoteSign inSign up
OSG Screw Thread Insert STI Tap: Spiral Point, M12x1.75 Metric, D4 / 4H-6H - Spiral-Point STI Taps for Multiple Materials
OSGSpiral-Point STI Taps for Multiple Materials

OSG Screw Thread Insert STI Tap: Spiral Point, M12x1.75 Metric, D4 / 4H-6H

SKU 3G-OTH-284707

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, M12x1.75 Metric, D4 / 4H-6H
Category
Spiral-Point STI Taps for Multiple Materials
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
34400908
Type
M12x1.75 Metric, D4 / 4H-6H, Plug 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

Frequently Asked Questions

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

An OSG STI tap cuts internal threads in multiple materials to accept screw thread inserts (Heli-Coil style). It is used in automotive, aerospace, and general manufacturing to repair or reinforce tapped holes in aluminum, steel, and cast iron.

What are the specifications of the OSG STI Tap M12x1.75?

This OSG spiral-point STI tap is M12x1.75 metric, D4 / 4H-6H tolerance, with 3 flutes and a plug chamfer. It is designed for through-hole threading in multiple materials. The manufacturer part number is 34400908.

Where to buy OSG STI Tap M12x1.75 worldwide?

3G Electric supplies and delivers the OSG STI Tap M12x1.75 (MPN 34400908) worldwide. We handle full logistics and customs clearance, ensuring you receive the correct OSG tap for your industrial threading application.

How to select the correct STI tap size for M12x1.75 inserts?

Select an STI tap marked M12x1.75 with D4 / 4H-6H tolerance to match the insert manufacturer’s specifications. Use a plug chamfer for through holes and a spiral-point design to push chips ahead. Always verify thread class before tapping.

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 multiple materials. 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: Spiral Point, M12x1.75 Metric, D4 / 4H-6H, 3 Flute, Plug Chamfer (MPN 34400901). Key specifications — attr1299996: D4 / 4H-6H.
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, M12x1.75 Metric, D4 / 4H-6H, 3 Flute, Plug Chamfer (MPN 34400901). Key specifications — attr1299996: D4 / 4H-6H.
OSG Screw Thread Insert STI Tap: Spiral Point, M18x2.5 Metric, D5 / 4H-6H, 4 Flute, Plug Chamfer (MPN 34401201). Key specifications — attr1299996: D5 / 4H-6H.
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, M18x2.5 Metric, D5 / 4H-6H, 4 Flute, Plug Chamfer (MPN 34401201). Key specifications — attr1299996: D5 / 4H-6H.
OSG Screw Thread Insert STI Tap: Spiral Point, M14x2 Metric, D5 / 4H-6H, 4 Flute, Plug Chamfer (MPN 34401008). Key specifications — attr1299996: D5 / 4H-6H.
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, M14x2 Metric, D5 / 4H-6H, 4 Flute, Plug Chamfer (MPN 34401008). Key specifications — attr1299996: D5 / 4H-6H.
OSG Screw Thread Insert STI Tap: Spiral Point, M18x2.5 Metric, D5 / 4H-6H, 4 Flute, Plug Chamfer (MPN 34401208). Key specifications — attr1299996: D5 / 4H-6H.
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, M18x2.5 Metric, D5 / 4H-6H, 4 Flute, Plug Chamfer (MPN 34401208). Key specifications — attr1299996: D5 / 4H-6H.
OSG Screw Thread Insert STI Tap: Spiral Point, M14x2 Metric, D5 / 4H-6H, 4 Flute, Plug Chamfer (MPN 34401001). Key specifications — attr1299996: D5 / 4H-6H.
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, M14x2 Metric, D5 / 4H-6H, 4 Flute, Plug Chamfer (MPN 34401001). Key specifications — attr1299996: D5 / 4H-6H.
OSG Screw Thread Insert STI Tap: Spiral Point, M16x2 Metric, D5 / 4H-6H, 4 Flute, Plug Chamfer (MPN 34401101). Key specifications — attr1299996: D5 / 4H-6H.
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, M16x2 Metric, D5 / 4H-6H, 4 Flute, Plug Chamfer (MPN 34401101). Key specifications — attr1299996: D5 / 4H-6H.

More from OSG

View all OSG parts →
OSG Screw Thread Insert STI Tap: Spiral Point, M2.5x0.45 Metric, D2 / 4H-6H, 2 Flute, Plug Chamfer (MPN 34400201). Key specifications — attr1299996: D2 / 4H-6H.
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, M2.5x0.45 Metric, D2 / 4H-6H, 2 Flute, Plug Chamfer (MPN 34400201). Key specifications — attr1299996: D2 / 4H-6H.
OSG Screw Thread Insert STI Tap: Spiral Point, M8x1.25 Metric, D3 / 4H-6H, 3 Flute, Plug Chamfer (MPN 34400708). Key specifications — attr1299996: D3 / 4H-6H.
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, M8x1.25 Metric, D3 / 4H-6H, 3 Flute, Plug Chamfer (MPN 34400708). Key specifications — attr1299996: D3 / 4H-6H.
OSG Screw Thread Insert STI Tap: Spiral Point, 3/4"-10 UNC, H5 / 2B-3B, 4 Flute, Plug Chamfer (MPN 31403308)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 3/4"-10 UNC, H5 / 2B-3B, 4 Flute, Plug Chamfer (MPN 31403308)
OSG Screw Thread Insert STI Tap: Spiral Point, M6x1 Metric, D3 / 4H-6H, 3 Flute, Plug Chamfer (MPN 34400608). Key specifications — attr1299996: D3 / 4H-6H.
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, M6x1 Metric, D3 / 4H-6H, 3 Flute, Plug Chamfer (MPN 34400608). Key specifications — attr1299996: D3 / 4H-6H.
OSG Screw Thread Insert STI Tap: Spiral Point, 9/16"-18 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer (MPN 31402601). Key specifications — attr1299996: H3 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 9/16"-18 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer (MPN 31402601). Key specifications — attr1299996: H3 / 2B-3B.
OSG Screw Thread Insert STI Tap: Spiral Point, M22x2.5 Metric, D5 / 4H-6H, 4 Flute, Plug Chamfer (MPN 34401408). Key specifications — attr1299996: D5 / 4H-6H.
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, M22x2.5 Metric, D5 / 4H-6H, 4 Flute, Plug Chamfer (MPN 34401408). Key specifications — attr1299996: D5 / 4H-6H.
OSG Screw Thread Insert STI Tap: Spiral Point, 1"-12 UNF, H4 / 2B, 4 Flute, Plug Chamfer (MPN 31404208)
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 1"-12 UNF, H4 / 2B, 4 Flute, Plug Chamfer (MPN 31404208)
OSG Screw Thread Insert STI Tap: Spiral Point, 7/8"-14 UNF, H4 / 2B-3B, 4 Flute, Plug Chamfer (MPN 31403908). Key specifications — attr1299996: H4 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Spiral Point, 7/8"-14 UNF, H4 / 2B-3B, 4 Flute, Plug Chamfer (MPN 31403908). Key specifications — attr1299996: H4 / 2B-3B.