OSG Screw Thread Insert STI Tap: Spiral Point, 5/16"-18 UNC, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 5/16"-18 UNC with an H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30101108). 3G Electric interprets…
SKU 3G-OTH-265423
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
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 5/16"-18 UNC with an H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30101108). 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 steel and stainless steel for installing screw thread inserts. It is commonly applied in automotive, aerospace, and general manufacturing where strong, wear-resistant threads are required in metal components.
What are the specifications of the OSG 30101108 STI Tap?
The OSG 30101108 STI Tap has a thread size of 5/16"-18 UNC, a thread limit of H4 / 2B-3B, 3 flutes, and a plug chamfer. It is a spiral-point design for steel and stainless steel. The manufacturer part number is 30101108.
Where to buy OSG STI Taps in worldwide?
You can source OSG STI Taps through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on the OSG 30101108 STI Tap.
How to select the correct OSG STI Tap for thread inserts?
Select an OSG STI Tap based on the insert's thread size and pitch, such as 5/16"-18 UNC. Ensure the tap has the correct thread limit (e.g., H4 / 2B-3B) for the desired class of fit. Use a spiral-point design for through-hole threading in steel or stainless steel.
Used in
Common applications for OSGOSG 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.
