Metal M-Style Bobbins 6-Pack - Part 18034 - Industrial & Long Arm Quilting Machines

Metal M-Style Bobbins - 6 Pack (Part 18034)

Premium metal M-Style bobbins designed for industrial sewing machines and long arm quilting machines. This 6-pack of metal bobbins (Part 18034) features a precision slot for spindle engagement PLUS holes on each side for enhanced functionality. Compatible with 60+ machines across commercial/industrial brands (Juki, Brother, Consew, Singer) and long arm quilting machines (Baby Lock, Janome). Durable metal construction for professional performance.

Key Features:

• 6-Pack Value - Get 6 metal bobbins in one package
• Metal Construction - Durable metal for industrial and long arm use
• M-Style Design - Standard bobbin type for industrial and long arm machines
• Precision Slot - For easy spindle engagement when winding
• Side Holes - Additional holes on each side for enhanced functionality
• Dual Purpose - Works in both industrial sewing machines AND long arm quilters
• Professional Quality - Replacement bobbins for serious sewers and quilters
• Part # 18034 - Direct replacement for this part number
• Alternative Part Numbers: 1143-SP, 117061-0-01, 1443

What is M-Style?

M-Style bobbins are the standard bobbin type for industrial sewing machines and long arm quilting machines. They're larger and more robust than domestic sewing machine bobbins (like Class 15), designed to hold more thread for the continuous stitching demands of industrial sewing and professional quilting.

The "M" designation refers to the specific size and shape standardized across most industrial and long arm machine manufacturers. M-Style bobbins are typically made from metal (steel or aluminum) rather than plastic because metal provides better weight distribution, smoother rotation, and more consistent tension - all critical for professional results.

Why Metal vs. Plastic?

Industrial sewing machines and long arm quilting machines use metal bobbins instead of plastic for several important reasons:

• Durability - Metal withstands the high-speed operation of industrial and long arm machines
• Weight Balance - Proper weight helps maintain consistent tension
• Heat Resistance - Won't warp from friction heat during extended sewing sessions
• Smooth Rotation - Metal-on-metal contact provides smoother bobbin rotation
• Thread Capacity - Holds more thread for uninterrupted sewing
• Professional Standard - Industry standard for commercial and long arm machines
• Longevity - Metal bobbins last much longer than plastic

Special Features - Slot & Side Holes:

This bobbin includes TWO important features:

1. Precision Slot: The slot allows the bobbin to lock onto the winding spindle securely, ensuring even, tight winding every time. This is especially important for industrial and long arm work where consistent bobbin tension is critical for professional results.

2. Side Holes: The holes on each side of the bobbin provide additional functionality. These holes can be used for securing thread ends, preventing thread from unwinding during storage, or for specific machine mechanisms that require side-hole engagement.

Dual Purpose - Industrial & Long Arm:

This is a versatile M-Style bobbin that works in BOTH industrial sewing machines AND long arm quilting machines. This makes it perfect for:

• Multi-Machine Shops - One bobbin type for both industrial and long arm machines
• Professional Sewers - Who use both industrial machines and long arm quilters
• Quilting Studios - With multiple long arm machines
• Alteration Shops - Using industrial machines for production work
• Upholstery Shops - Heavy-duty industrial sewing

Fits Commercial / Industrial Sewing Machines:

Brother Industrial Models (8 Machines):

B745, B746, B747, B791, B792, B797, B798, DB2-B791, DB2-B797

Consew Industrial Models (9 Machines):

120, 145, 146RB, 175, 166RB, 199R, 205RB, 206RB, 230RB

Juki Industrial Models (9 Machines):

141H, 241H, 241HS, DNU1541, DDL-201, DDL-560, DNU-1541, DNU-241H, LZH1290, TL-2200QVP

Singer Industrial Models (4 Machines):

121C, 121D, 369W, 531B

Other Industrial Brands:

Chandler: 267
Nakajima: 180L, 280L, DBU175L
Rex: 11-155R
Seiko: STH8-BLD
Supreme: DY637
Tacsew: T111-155, T155RB, T206RB, T280RB, T1206RB

Fits Long Arm Quilting Machines:

Baby Lock Long Arm Models (11 Machines):

BLCJ18 Crown Jewel, BLCJ18-2, BLCJ18-3, BLCT16 Coronet, BLCTR16-2 Tiara II, BLTR16-3 Tiara III, BLGT15 Gallant, BLJ18 Jewel, BLRT18 Regent, BLTR16 Tiara

Janome / New Home Long Arm Models (4 Machines):

Artistic Quilter 18, Artistic Quilter 18DX, Artistic Quilter 26, Artistic Quilter SD-16

Mitsubishi Industrial Models (20+ Machines):

CU-865-22, DB-130E22, DB-189-22, DB-199-22, DX-370-20, DX-870, DY-330, DY-337, DY-339, DY-340, DY-349, DY-350, DY-359-22, LT2-180BIT, PB-330, PLK-1210, PLK-1410, PLK-1710, PLK-2520, PV_1000, YU-360-22

Plus Many Other Long Arm Machines:

Fits most long arm quilting machines using M-Style bobbins. Always verify your machine uses M-Style bobbins before purchasing.

Alternative Part Numbers (Cross-Reference):

1143-SP, 117061-0-01, 1443, 18034

If you're searching for any of these part numbers, this bobbin is the correct replacement!

About Industrial Sewing Machines:

Industrial sewing machines are heavy-duty machines designed for continuous, high-speed operation in commercial settings. Unlike domestic sewing machines, industrial machines are built for specific tasks (straight stitch, zigzag, overlock, etc.) and can run for hours without stopping.

These machines require specialized bobbins like M-Style because they operate at much higher speeds and for longer periods than domestic machines. The larger bobbin capacity means fewer thread changes, and the metal construction ensures consistent performance during extended production runs.

About Long Arm Quilting Machines:

Long arm quilting machines are professional-grade machines designed for quilting large projects efficiently. They have an extended throat space (often 18-26 inches) that allows quilters to work on full-size quilts without constantly repositioning the fabric.

Like industrial machines, long arm quilters require M-Style metal bobbins because they operate at high speeds for extended periods. The larger bobbin capacity and metal construction are essential for professional quilting results.

Why Stock Extra Bobbins:

• Multiple Thread Colors - Keep different colors wound and ready
• Prevent Production Delays - Always have backups for industrial work
• Professional Workflow - Switch between projects without rewinding
• Replace Worn Bobbins - Metal bobbins can develop burrs over time
• Emergency Backup - Never be caught without a bobbin mid-project
• Multi-Machine Operations - Stock bobbins for all your machines

Bobbin Care for Industrial & Long Arm Machines:

• Wind evenly - Use your machine's bobbin winder for smooth, even winding
• Don't overfill - Leave a small gap at the top to prevent jamming
• Check for burrs - Inspect metal bobbins regularly for rough edges that can snag thread
• Keep clean - Wipe off lint buildup periodically
• Store properly - Keep wound bobbins in a bobbin box to prevent thread tangling
• Match thread weight - Wind bobbins with appropriate thread for your project
• Use the slot - Always engage the slot on the winding spindle for even winding
• Replace when damaged - Don't use bobbins with dents, burrs, or damage
• Utilize side holes - Use side holes to secure thread ends when storing

Perfect For:

• Professional Quilters - Reliable bobbins for long arm machines
• Industrial Sewing Shops - Production sewing with Juki, Brother, Consew, Singer
• Alteration Businesses - Heavy-duty sewing on industrial machines
• Upholstery Shops - Industrial machines for furniture and automotive work
• Quilting Studios - Multiple long arm machines
• Garment Manufacturers - Production sewing operations
• Multi-Machine Operations - Shops with both industrial and long arm machines

Replacement Bobbins:

These are quality replacement bobbins (aftermarket) that work as direct replacements for part 18034 and alternative part numbers 1143-SP, 117061-0-01, and 1443. They're manufactured to M-Style specifications and provide reliable performance for industrial sewing machines and long arm quilting machines.

Many professional sewers and quilters prefer to stock up on replacement bobbins for everyday use, saving their original equipment bobbins as backups.

6-Pack Convenience:

This product includes 6 metal M-Style bobbins. The 6-pack format provides excellent value compared to buying individual bobbins, while giving you enough bobbins to keep multiple thread colors wound and ready for production work or quilting projects.

Most industrial sewers and long arm quilters keep 12-30 bobbins on hand - enough to have multiple thread colors ready while maintaining a backup supply.

What's Included:

6 metal M-Style bobbins with slot and side holes (Part 18034), compatible with 60+ industrial sewing machines and long arm quilting machines including Juki, Brother, Consew, Singer, Baby Lock, Janome, Mitsubishi, and many others.

Quantity: 6 bobbins per pack
Part Number: 18034
Alternative Part Numbers: 1143-SP, 117061-0-01, 1443
Bobbin Type: M-Style
Material: Metal
Features: Precision slot for spindle engagement, holes on each side
Application: Industrial sewing machines and long arm quilting machines
Style: Replacement (aftermarket)
Compatibility: 60+ machines across 12+ brands
SKU: 18034-6ct