OSG Screw Thread Insert STI Tap: Spiral Point, 1"-12 UNF, H4 / 2B, 4 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 1"-12 UNF with H4 / 2B tolerance, 4 flutes, and a plug chamfer (MPN 31404201). 3G Electric interprets this demand and…
SKU 3G-OTH-284619
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 1"-12 UNF with H4 / 2B tolerance, 4 flutes, and a plug chamfer (MPN 31404201). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial departments.
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 multiple materials for installing screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed.
What are the specifications of the OSG 31404201 STI Tap?
The OSG 31404201 STI Tap is a spiral-point tap with a 1"-12 UNF thread, H4 / 2B tolerance, 4 flutes, and a plug chamfer. It is designed for threading holes that will accept screw thread inserts in various materials.
Where to buy the OSG 31404201 STI Tap worldwide?
You can source the OSG 31404201 STI Tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.
How to select the correct OSG STI Tap for thread inserts?
To select the correct OSG STI Tap, match the tap's thread size and pitch to the insert's specifications. For the 31404201 model, use a 1"-12 UNF tap for a 2B class fit. Always verify the chamfer type and flute count suit your material and hole depth.
Used in
Common applications for OSGOSG 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.
