HY-4420/BOB Double needle flat bed unison feed sofa leather heavy duty industrial sewing machine

Product Description

Walking foot sewing machine, heavy duty sewing machine
HY-4420/BOB Double needle compound feed sewing machine

Model No.	HY-4420
Feeding system	Alternating presser foot, feed dog and needle feeding
Max sewing speed	1600 s.p.m
Bobbin diameter	Ф28mm
Applied needle	DP×17 #18-#23
Thread size	Maximum thread 9 strands nylon (13#)
Max stitch length	9mm
Max alternating presser foot	6mm
Max presser foot lifting height	13mm by knee controller
Auto oil system	√
Backtacking	By handle bar
Presser foot lifting by air	√
Operation space	250×108mm

Product Description
1.Classical and stable triple feeding construction can make sure feeeding smoothly while sewing heavy duty or complicated material, so that it is not easy to move for upper and bottom material.
2. It adopts horizontal large hook, and can sew maximum thread of 9 strands nylon.
3.Standard 3/8 inch needle gauge set(Apply to HY-4420/BOB).
Application
Presewing and abutted seam sewing process for sofa, office chair, leather products and outdoor goods.
COMPANY HONOR
EXHIBITION DISPLAY

---

>> Flower Canvas Wall Art with Hand-Painted Texture Oil Painting
>> Aluminum Profile Smart Switch Roof Windows Large Scale Electric Motorized Opening Sliding Skylight
>> N a n, adaptador Coaxial, conector de doble enchufe.
>> High Quality Mini Wheel Bucket Sand Washer Washing Machine Sand Washer
>> Unlocked Used Mobile Phone 5g Smartphone Phone14 PRO Max 128GB Cell Phone 2025 Wholesale Smart Mobile Telecon
>> American style Upvc profile upvc window horizontal Single sliding windows glass glazed sash
>> Bathroom accessories Set Toilet Brush Holder Soap Dispenser Tumbler Soap Dish linear Shape Concrete with Color Coating
>> 50pcs/Box Kid Face Mask 3 Ply Ear Loop Non woven Disposable FaceMask Protective Face Mask For Children
>> Adjustable Bike Repair Stand Bicycle Floor Display Bike Work Stand
>> Wholesale Natural Stone Carrara White Marble Mosaic with Flat, Hexagon, Chevron, Lantern, Rhomboid Shape
>> pistacho de canada Pistachio nuts kernel in shell raw with all the certificates from Turkey USA
>> Cold Therapy Machine Knee, Ankle, Cervical Spine, Hind Leg and Hip Universal Pad Physiotherapy Equipment Continuous Cold Compress
>> Hot Sales Aluminum Metal Frame Furniture High Quality Restaurant Bar Chair Stool
>> QJ216-XL-N2-MPA-F59-C4 Insulated Insocoat Bearings applied to railroad facilities such as traction motors for internal combustion locomotives;
>> 1.5T 2.0T Aluminum Engine skid plate for bmw mini
>> New Arriving Vibration Foot Massager with Heating and Air Compression Electric Shiatsu Foot and Leg Massager
>> Wireless Solar Charge Internal Car Truck Vehicle Tire Pressure TPMS Sensor Pressure Monitoring System
>> Floating Ring Transparent Swimming Ring with Feather Decoration Float Inflator Lightweight Air Leakage Esg20882
>> Stainless Steel Industrial Coffee Grinder Coconut Grinding Machine
>> Stainless Steel Homogenizing Blending Agitation Lithium Hexaflurophsphate Reaction Reactor Vessel