HY-4420/BOB Double needle direct drive sofa and outdoor goods heavy duty 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

---

>> Automatic Packaging Cartoning Machine Blister Boxes Packing Machinery For Tablet
>> Lubricant High Speed Disperser Paint Equipment
>> Factory Price Steel Channel Cross arm for overhead power line fitting
>> full printed crossbody purse canvas bag from China factory
>> HiDON Factory Price 8 Inch Octa-Core IP65 Android 9.0 4G+64G IPS FHD Rugged Tablets Waterproof Rugged PC
>> Excavator Grapple 5 Fingers Stone Grapple Attachment for 4ton to 30ton
>> ASME GLP Perssure Tank LPG Dispensing Gas Tank Price
>> Packaging Disposable Face Mask
>> Luxury custom wood transitional style antique white oak kitchen sink cabinet
>> Good Price Factory Direct Sale Seismic Bracing Suspension Tube Conduit Pipe Clamp
>> High quality universal 15w fast wireless charger qi standard
>> Nexara Eco-Friendly Warehouse Industrial Blowing Plastic Pallet for Storage
>> Good Quality Factory Price 1 Inch 2 Inch 3 Inch 4 Inch Brass Gate Valve
>> 620mm Width Leather Sewing Machine Leather Machinery Belt Skiving Machine
>> High Quality Puck Shooting Sheet/HDPE Synthetic Ice Rink Dasher Board
>> Round Hand Fans Wholesale Mini Nylon Foldable Plastic Hand Fan with White Side
>> Soya Soybean Meal Feed Making Processing Machinery Extruder Machine
>> Hot Sale Middle/Side Gear Farm Tractor Rotary Tiller for Dry Land with Low Cost
>> Acetylene Pipeline Pressure Reducer, Pipeline Pressure Reducing Valve, National Standard Pressure Gauge, Explosion-proof and Anti-shock Acetylene Pressure Reducer
>> Hydraulic Roof Metal Steel Sheet Roof Panel 980 Glazed Roll Forming Machine