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FORMDRILL Drill Bit: Long/Flat, UNF, For #8-36 Threads, 3.9 mm Drill Size - Flat-Finish Friction Drill Bits
FORMDRILLFlat-Finish Friction Drill Bits

FORMDRILL Drill Bit: Long/Flat, UNF, For #8-36 Threads, 3.9 mm Drill Size

The FORMDRILL Drill Bit: Long/Flat (SKU FD0390LF, MPN FD0390LF) is a flat-finish friction drill bit from FORMDRILL. It is designed for #8-36 UNF threads, with a 3.9 mm drill size and a maximum material thickness of…

SKU 3G-OTH-227427

Brand
FORMDRILL
Item
Drill Bit: Long/Flat, UNF, For #8-36 Threads, 3.9 mm Drill Size
Category
Flat-Finish Friction Drill Bits
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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.

Technical Specifications

FORMDRILL
Manufacturer Part Number
FD0390LF
Type
UNF, For #8-36 Threads
Drill Size
3.9 mm
Max Material Thick
2.5 mm

Technical Documents

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FORMDRILL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The FORMDRILL Drill Bit: Long/Flat (SKU FD0390LF, MPN FD0390LF) is a flat-finish friction drill bit from FORMDRILL. It is designed for #8-36 UNF threads, with a 3.9 mm drill size and a maximum material thickness of 2.5 mm.

Frequently Asked Questions

What is the FORMDRILL FD0390LF drill bit used for?

The FORMDRILL FD0390LF is a flat-finish friction drill bit used to create holes for #8-36 UNF threads in thin materials. It is commonly applied in sheet metal fabrication, automotive, and general manufacturing where a clean, flat hole finish is required without producing cutting chips.

What are the specifications of the FORMDRILL FD0390LF?

The FORMDRILL FD0390LF is a long/flat friction drill bit with a 3.9 mm drill size, designed for #8-36 UNF threads. It has a maximum material thickness of 2.5 mm. The manufacturer part number is FD0390LF, and it is produced by FORMDRILL.

Where to buy the FORMDRILL FD0390LF worldwide?

You can source the FORMDRILL FD0390LF 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 friction drill bits.

How to select the correct FORMDRILL friction drill bit for my application?

Select the FORMDRILL friction drill bit based on thread size, drill diameter, and material thickness. For #8-36 UNF threads, use the FD0390LF with a 3.9 mm drill size and ensure your material is 2.5 mm thick or less. Always match the bit to the thread type and material to avoid damage.

Used in

Common applications for FORMDRILL
Automotive chassis assembly — FORMDRILL collar-forming bits for creating threaded holes in thin-gauge steel tubing
HVAC ductwork fabrication — FORMDRILL flat-finish bits for flush-threaded connections in sheet metal panels
Electrical enclosure manufacturing — FORMDRILL short bits for tapping M16 threads in 2 mm steel enclosures
Structural steel handrails — FORMDRILL long bits for forming threaded bushings in square tubing for bolted joints
Appliance production — FORMDRILL combination drill and tap sets for M6 and M8 threads in stainless steel panels
Solar panel mounting frames — FORMDRILL NPT bits for creating pipe-threaded holes in aluminum extrusions

FORMDRILL Products

3G Electric supplies FORMDRILL flat-finish friction drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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