Calendar Gold Coated 34.9mm Coil Book Binding
1-3/8" Custom Wire Spiral Binding Coils For Coil Book And Calendar In Gold Coated
Quick Details :
a. Metal nylon coated binding coil for office coil books with pitch of 2:1 with certificates ;
b. With the size of 1-3/8" , binding thickness of 33.5mm ;
c. Use for notebook binding or sketch book binding ;
d. Big quantity or small quanity are both available .
Specifications :
| Product Size (mm) | Pitch | Binding Thickness (mm) | Recommended Max Number of sheet (80g) |
| 1/4” (6.4mm) | 3:1 | 4.8 | 45 |
| 5/16” (7.9mm) | 6.4 | 60 | |
| 3/8” (9.5mm) | 7.9 | 75 | |
| 7/16” (11.1mm) | 9.5 | 85 | |
| 1/2” (12.7mm) | 11.1 | 100 | |
| 9/16” (14.3mm) | 12.7 | 120 | |
| 5/8” (15.9mm) | 14.3 | 135 | |
| 5/8” (15.9mm) | 2:1 | 14.3 | 135 |
| 3/4” (19.1mm) | 17.5 | 165 | |
| 7/8” (22.2mm) | 20.6 | 180 | |
| 1” (25.4mm) | 23.8 | 200 | |
| 1-1/8” (28.6mm) | 26.5 | 220 | |
| 1-1/4” (31.8mm) | 30 | 240 | |
| 1-3/8” (34.9mm) | 33.5 | 260 | |
| 1-1/2” (38.1mm) | 36 | 280 | |
| 1-5/8”(41.27mm) | 2:1 | 38 | 320 |
| 1-3/4”(44.45mm) | 2:1 | 41 | 340 |
We accept a variety of styles of spring customization ,
if you want to custom,please kindly supply bellow information :
♦ Spring type
♦ Material
♦ Wire diameter
♦ Surface treatment
♦ Inner diameter and outer diameter(ID and OD)
♦ Free length and work length
♦ Total coils and active coils
♦ Application
♦ Quantity
Product Detail :
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