Rayson SR379BK Spiral Binding Coil 5/16inch Black Coil bindings Ring 7.9mm 3:1 Pitch 100/Box
Rayson SR379BK Spiral Binding Coil 5/16inch Black Coil bindings Ring 7.9mm 3:1 Pitch 100/Box
3:1 Pitch Spiral Binding Coil Rayson plastic spiral binding spines consider all the uses, with 100 coils ensures long-term productivity for all of your binding projects. Coil bindings lie flat for easy reading, with 360 degree rotation capability for added convenience. Spines are designed with a 3:1 pitch, which equates to 3 holes per inch. They are perfect for business proposals, annual reports, company presentations, and any other book binding project. Size: 5/16" Max. Binding: 40 sheets Length: 12” (36 Loops). Color: Black Pack of 100 per box 3:1 Pitch Binding with U.S. letter size paper (8.5 x 11inches) Binding with ISO standard A4 size paper (8.3 x 11.7inches) Read more What is the difference between 3:1 pitch and 4:1 pitch? 3:1 Coil binding ring means per inch has 3 holes4:1 Coil binding ring means per inch has 4 holesThis is very important distinguish 3:1 from 4:1 cause the things to be as different. 4:1 means per inch has 4 holes. They are used with different binding machine. The 4:1 pitch spiral binding only can be used with 4:1 pitch binding machine, like the model PD-1503 or PD-1501 which are 4:1 pitch machines.The 3:1 pitch spiral binding only can be used with 3:1 pitch binding machine, like the model TD-130, TD-1500B34, TD-1500B34R which are 3:1 pitch machines. Read more 5/16" Wire Binding Spines 3/8" Wire Binding Spines 7/16" Wire Binding Spines 9/16" Wire Binding Spines 5/8" Wire Binding Spines 1/4" Wire Binding Spines Size 5/16" (7.9mm) 3/8" (9.5mm) 7/16" (11.1mm) 9/16" (14.3mm) 5/8" (15.9mm) 1/4" (6.4mm) Color Black Black Black Black Black Black Pitch 3:1 Pitch 3:1 Pitch 3:1 Pitch 3:1 Pitch 3:1 Pitch 3:1 Pitch Loops 32-Loops 32-Loops 32-Loops 32-Loops 32-Loops 32-Loops
Product Features
- Binding Capacity: up to 40 sheets ( 80g 20lb)
- Length: 11.5 (36 Loops)
- 100 per box, Color: Black. This spiral binding coil can not used with 4:1 pitch binding machine
- 3:1 Coil binding ring means per inch has 3 holes (This is very important distinguish 3:1 from 4:1 cause the things to be as different. 4:1 means per inch has 4 holes. They are used with different binding machine.)
- 3:1 pitch spiral binding coils great for reports and presentations with any 3:1 pitch coil binding machine.