FORMDRILL Drill Bit: Long, UNF, For #8-36 Threads, 3.9 mm Drill Size
The FORMDRILL Drill Bit: Long (SKU FD0390L, MPN FD0390L) is a collar-forming friction drill bit designed for #8-36 UNF threads with a 3.9 mm drill size. This long-format tool from FORMDRILL creates a collar during…
SKU 3G-OTH-207787
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- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The FORMDRILL Drill Bit: Long (SKU FD0390L, MPN FD0390L) is a collar-forming friction drill bit designed for #8-36 UNF threads with a 3.9 mm drill size. This long-format tool from FORMDRILL creates a collar during drilling, eliminating the need for separate tapping operations.
Frequently Asked Questions
What is the FORMDRILL FD0390L drill bit used for?
The FORMDRILL FD0390L is a collar-forming friction drill bit used to create a bushing or collar in thin metal while drilling a 3.9 mm hole for #8-36 UNF threads. It eliminates separate tapping operations, making it ideal for automotive, HVAC, and sheet-metal fabrication where strong threads are needed in thin materials.
What are the specifications of the FORMDRILL FD0390L?
The FORMDRILL FD0390L is a long-format collar-forming friction drill bit with a 3.9 mm drill size, designed for #8-36 UNF threads. The manufacturer part number is FD0390L, and the brand is FORMDRILL. It creates a collar during drilling, removing the need for a separate tapping step.
Where to buy the FORMDRILL FD0390L worldwide?
You can source the FORMDRILL FD0390L 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; we supply genuine FORMDRILL tooling for international procurement needs.
How to select the correct FORMDRILL friction drill bit for UNF threads?
Select the FORMDRILL bit based on thread size and drill diameter. For #8-36 UNF threads, use the FD0390L with a 3.9 mm drill size. Ensure the material thickness suits collar forming—typically 0.5–3 mm. The long format provides deeper reach. Always match the bit to the thread specification for proper thread engagement.
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3G Electric supplies FORMDRILL collar-forming friction drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
