We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

FORMDRILL Drill Bit: Short, UNC, For 3/4"-10 Threads, 17.8 mm Drill Size - Collar-Forming Friction Drill Bits
FORMDRILLCollar-Forming Friction Drill Bits

FORMDRILL Drill Bit: Short, UNC, For 3/4"-10 Threads, 17.8 mm Drill Size

The FORMDRILL Drill Bit: Short (MPN FD1780S) is a collar-forming friction drill bit from FORMDRILL, designed for UNC 3/4"-10 threads with a 17.8 mm drill size. This short-type bit creates a collar during the drilling…

SKU 3G-OTH-207789

Brand
FORMDRILL
Item
Drill Bit: Short, UNC, For 3/4"-10 Threads, 17.8 mm Drill Size
Category
Collar-Forming Friction Drill Bits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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.

Technical Specifications

FORMDRILL
Manufacturer Part Number
FD1780S
Type
UNC, For 3/4"-10 Threads, Collar Forming
Drill Size
17.8 mm

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

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

Product Description

The FORMDRILL Drill Bit: Short (MPN FD1780S) is a collar-forming friction drill bit from FORMDRILL, designed for UNC 3/4"-10 threads with a 17.8 mm drill size. This short-type bit creates a collar during the drilling process, enabling thread formation without additional operations.

Frequently Asked Questions

What is the FORMDRILL FD1780S short drill bit used for?

The FORMDRILL FD1780S is a collar-forming friction drill bit used to create a collar in metal while drilling a 17.8 mm hole for UNC 3/4"-10 threads. It eliminates separate tapping operations, making it ideal for automotive, HVAC, and general fabrication where strong threads are needed in thin materials.

What are the specifications of the FORMDRILL FD1780S drill bit?

The FORMDRILL FD1780S is a short collar-forming friction drill bit with a 17.8 mm drill size, designed for UNC 3/4"-10 threads. It is manufactured by FORMDRILL under MPN FD1780S. The short type allows use in tight spaces while forming a collar for thread creation without pre-drilling or tapping.

Where to buy the FORMDRILL FD1780S drill bit worldwide?

3G Electric supplies the FORMDRILL FD1780S short collar-forming drill bit worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this friction drill bit.

How to select the correct FORMDRILL friction drill bit for UNC threads?

Select the FORMDRILL bit based on thread size and type. For UNC 3/4"-10 threads, use the FD1780S with a 17.8 mm drill size. The short variant suits confined spaces. Ensure your material thickness supports collar forming; FORMDRILL bits work on steel, stainless, and aluminum up to about 6 mm thick.

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 collar-forming friction drill bits. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
FORMDRILL Drill Bit: Long, UNC, For 3/4"-10 Threads, 17.8 mm Drill Size, Collar Forming (MPN FD1780L)
FORMDRILL
FORMDRILL Drill Bit: Long, UNC, For 3/4"-10 Threads, 17.8 mm Drill Size, Collar Forming (MPN FD1780L)
FORMDRILL Drill Bit: Short, UNF, For 3/4"-16 Threads, 18.3 mm Drill Size, Collar Forming (MPN FD1830S)
FORMDRILL
FORMDRILL Drill Bit: Short, UNF, For 3/4"-16 Threads, 18.3 mm Drill Size, Collar Forming (MPN FD1830S)
FORMDRILL Drill Bit: Short, UNC, For #10-24 Threads, 4.3 mm Drill Size, Collar Forming (MPN FD0430S)
FORMDRILL
FORMDRILL Drill Bit: Short, UNC, For #10-24 Threads, 4.3 mm Drill Size, Collar Forming (MPN FD0430S)
FORMDRILL Drill Bit: Short, UNC, For 5/16"-18 Threads, 7.2 mm Drill Size, Collar Forming (MPN FD0720S)
FORMDRILL
FORMDRILL Drill Bit: Short, UNC, For 5/16"-18 Threads, 7.2 mm Drill Size, Collar Forming (MPN FD0720S)
FORMDRILL Drill Bit: Short, UNC, For 3/8"-16 Threads, 8.7 mm Drill Size, Collar Forming (MPN FD0870S)
FORMDRILL
FORMDRILL Drill Bit: Short, UNC, For 3/8"-16 Threads, 8.7 mm Drill Size, Collar Forming (MPN FD0870S)
FORMDRILL Drill Bit: Short, UNC, For 1/4"-20 Threads, 5.7 mm Drill Size, Collar Forming (MPN FD0570S)
FORMDRILL
FORMDRILL Drill Bit: Short, UNC, For 1/4"-20 Threads, 5.7 mm Drill Size, Collar Forming (MPN FD0570S)

More from FORMDRILL

View all FORMDRILL parts
FORMDRILL Drill Bit: Long, Metric Coarse, For M6 x 1 Threads, 5.3 mm Drill Size, Collar Forming (MPN FD0530L)
FORMDRILL
FORMDRILL Drill Bit: Long, Metric Coarse, For M6 x 1 Threads, 5.3 mm Drill Size, Collar Forming (MPN FD0530L)
FORMDRILL Drill Bit: Long, NPT, For 3/8"-18 Threads, 15.8 mm Drill Size, Collar Forming (MPN FD1580L)
FORMDRILL
FORMDRILL Drill Bit: Long, NPT, For 3/8"-18 Threads, 15.8 mm Drill Size, Collar Forming (MPN FD1580L)
FORMDRILL Drill Bit: Long, Metric Coarse, For M4 x 0.7 Threads, 3.7 mm Drill Size, Collar Forming (MPN FD0370L)
FORMDRILL
FORMDRILL Drill Bit: Long, Metric Coarse, For M4 x 0.7 Threads, 3.7 mm Drill Size, Collar Forming (MPN FD0370L)
FORMDRILL Drill Bit: Long, UNF, For #8-36 Threads, 3.9 mm Drill Size, Collar Forming (MPN FD0390L)
FORMDRILL
FORMDRILL Drill Bit: Long, UNF, For #8-36 Threads, 3.9 mm Drill Size, Collar Forming (MPN FD0390L)
FORMDRILL Drill Bit: Long, UNC, For #6-32 Threads, 3.1 mm Drill Size, Collar Forming (MPN FD0310L)
FORMDRILL
FORMDRILL Drill Bit: Long, UNC, For #6-32 Threads, 3.1 mm Drill Size, Collar Forming (MPN FD0310L)
FORMDRILL Drill Bit: Long, UNF, For 5/16"-24 Threads, 7.4 mm Drill Size, Collar Forming (MPN FD0740L)
FORMDRILL
FORMDRILL Drill Bit: Long, UNF, For 5/16"-24 Threads, 7.4 mm Drill Size, Collar Forming (MPN FD0740L)
FORMDRILL Drill Bit: Long, UNF, For 1/4"-28 Threads, 5.9 mm Drill Size, Collar Forming (MPN FD0590L)
FORMDRILL
FORMDRILL Drill Bit: Long, UNF, For 1/4"-28 Threads, 5.9 mm Drill Size, Collar Forming (MPN FD0590L)
FORMDRILL Drill Bit: Long, UNF, For 7/16"-20 Threads, 10.4 mm Drill Size, Collar Forming (MPN FD1040L)
FORMDRILL
FORMDRILL Drill Bit: Long, UNF, For 7/16"-20 Threads, 10.4 mm Drill Size, Collar Forming (MPN FD1040L)