3-Ring Letter Size Silver Binder Mechanisms [1" Round Ring] (50/Bx) (Discontinued)

3-Ring Letter Size Silver Binder Mechanisms [1" Round Ring] (50/Bx) (Discontinued)
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Sorry, but 3-Ring Letter Size Silver Binder Mechanisms [1" Round Ring] (50/Bx) (Discontinued) is no longer available to buy.

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3-Ring Letter Size Silver Binder Mechanisms [1" Round Ring] (50/Bx) (Discontinued)

Item #: 113RBML100R
Brand: Spiral
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Description

Letter size ring binder mechanisms are the spine piece found on the inside of ring binders and work for 8 ½" x 11" standard letter sized papers. They feature 3-rings with traditional ring spacing of 4 ¼" between each ring, so work seamlessly with any traditional 3-hole punch. Use ring binder spines as a way to securely bind loose, hole-punched pages, or as a unique way to create swatch books and custom ring binders. You can pair with our binder rivets and rivet setter tool to bind the ring binder hardware onto a custom chip board sheet.

These metal binder parts are available in three colors: silver, black, and brass. Traditional silver binder mechanisms are available in the full range of ring sizes from 1/2" up to 4", many of those sizes also available in either round ring or slant-d ring options. They offer the most versatility, and are our most popular option because of their traditional and clean look, as well as their packaging with 50 mechanisms per box. Black and brass colored binder mechanisms are available in select sizes from 1/2" to 2", all with round ring styles. The packaging for colored ring binder spines varies depending on the ring size, but all you have to do is make a selection above to see the quantity per box. All colors are made of a durable metal material, and feature two boosters for easy ring opening and closing, as well as holes on each end that allow use with our binder rivets for binding the spine onto an item of your choice.


Ring Capacities:

In the following chart we outline the various ring sizes available, the color options for each size, and both the speed capacities and stack capacities. The stack capacity will always be the most accurate way to determine the correct ring size for you, as it allows for variances in paper stock, the additions of index tabs, etc. For example, a 1" stack of 20 lb. paper will always be the same thickness as a 1" stack of 110 lb. index stock. Whereas the sheet capacity is based solely on 20 lb. bond copy paper.

Ring SizeColors AvailableSheet Capacity*Stack Capacity*
1/2" Silver & Black 110 Sheets 1/4" Thick Stack
3/4" Silver & Brass 150 Sheets 3/8" Thick Stack
1" Silver, Black, & Brass 200 Sheets 5/8" Thick Stack
1 ½" Silver, Black, & Brass 310 Sheets 1" Thick Stack
2" Silver & Brass 450 Sheets 1 ½" Thick Stack
2 ½" Silver 540 Sheets 2" Thick Stack
3" Silver 650 Sheets 2 ½" Thick Stack
4" Silver 850 Sheets 3 ½" Thick Stack


Binder Spine Measurements:

As the ring diameter changes, so do some of the overall spine piece measurements. This chart outlines those dimensions for each size of ring, as well as round and slant-d options. Note that these measurements are estimates and may have a slight variance.

Ring Size Ring Shape Base Length Base Width Ring Spacing Rivet Hole Position Rivet Hole Spacing Rivet Hole Diameter
1/2" Round 11 ¼" 13/16" 4 ¼" (Center to Center) 3/4" in from Short End 9 ½" Center to Center 3/16"
3/4" Round 11 ¼" 13/16" 4 ¼" (Center to Center) 3/4" in from Short End 9 ½" Center to Center 3/16"
1" Round 11 ¼" 1” 4 ¼" (Center to Center) 3/4" in from Short End 9 ½" Center to Center 3/16"
Slant-D 13/16”
1 ½" Round 11 ¼" 1 ⅛” 4 ¼" (Center to Center) 3/4" in from Short End 9 ½" Center to Center 3/16"
Slant-D 11 ⅜"
2" Round 11 ¼" 1 ⅜” 4 ¼" (Center to Center) 3/4" in from Short End 9 ½" Center to Center 3/16"
Slant-D 11 ⅜" 1 ⁷/₁₆”
2 ½" Round 11 ¼" 1 ⅜” 4 ¼" (Center to Center) 3/4" in from Short End 9 ½" Center to Center 3/16"
Slant-D 11 ⅜" 1 ⁷/₁₆”
3" Round 11 ¼" 1 ⁷/₁₆” 4 ¼" (Center to Center) 3/4" in from Short End 9 ½" Center to Center 3/16"
Slant-D 11 ⅜"
4" Slant-D 11 ⅜" 1 ¾” 4 ¼" (Center to Center) 3/4" in from Short End 9 ½" Center to Center 3/16"


* Sheet capacity is an approximation based on standard 20 lb. bond copy paper, and may vary depending on paper stock being used. Stack capacity is a more accurate alternative. To measure, place your entire stack of material on a flat surface and, without pressing the stack down, measure the thickness of the stack.

Specifications

Item # RINGMECHSLETSLVR-GRP
Manufacturer US Ring
Manufacturer Part Number RINGMECHSLETSLVR GRP
Quantity Make a selection above to see pieces per box
Sheet Size Letter Size [8 ½" W x 11" H]
Number of Rings 3-Rings
Ring Shape Round Ring & Slant-D Ring Available

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