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Q21-QJ-32 Silver Serrated Wallet Corner Guard 23Γ3.5mm
SKU: Q21
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Get quoteThe Gold Thick Sheet Corner Protector 20mm β model 1003# β is a precision-engineered metal corner protector by XKY Framing, designed for books, albums, frames, journals, and stationery. If you need a reliable gold thick sheet corner protector 20mm, this is the definitive choice in craftsmanship and consistency.
[H2] Why Choose the 1003# Gold Thick Sheet Corner Protector?
The 1003# Yellow Gold Thick Sheet Corner Protector (20x6mm) is the most durable small-format corner protector in the XKY Framing range, featuring a robust 0.5mm iron sheet that resists deformation under pressure. Despite its compact 20mm arm length, the thick construction ensures the corner cap maintains its shape even with heavy use on hardcover books, thick binders, and frequently handled items. The yellow gold finish provides a classic, premium appearance.
[H3] Key Dimensions & Specifications
Inner height: 6mm | Arm length: 20mm | Outer diameter: 5mm | Total width: 28mm | Iron sheet: 0.5mm | Weight: 1.1g.
[H3] Applications & Use Cases
The Gold Thick Sheet Corner Protector 20mm suits commercial bookbinding, stationery gifting, frame-making, and artisan crafts. Its yellow gold finish is suitable for a wide range of cover materials and aesthetics.
[H3] Installation
Slide onto the corner, confirm the 6mm channel fits your board, then secure with craft adhesive or brads.
[H3] FAQ
Q: Why is the 0.5mm iron sheet significant for a 20mm corner protector?
A: Thicker sheet metal on smaller protectors prevents the arms from bending open when the corner is bumped or dropped, which is a common failure mode in thinner small-format protectors.
Q: How does Q12 compare to Q10 (1083# Gold 20x7mm)?
A: Q12 (1003#) has a shorter inner height (6mm vs 7mm) but a thicker iron sheet (0.5mm vs 0.3mm), making Q12 better for items where durability is the priority and Q10 better for thicker-board items.
Q: Is Q12 suitable for hardcover textbooks?
A: Yes. The 0.5mm sheet and 6mm inner channel are well-suited for hardcover textbooks and academic notebooks with standard board thickness covers.
[H3] Ordering
Sold per piece or set of 4. See also: xkyframe.com/products/thick-sheet-corner-protectors (DoFollow) | xkyframe.com/products/metal-corner-protectors (DoFollow)
| SKU | Q12 |
|---|---|
| Product Type | hardware |
| MOQ | 100 |
| Lead Time | 7-10days |
| Overview | <p>The 1003# Yellow Gold Thick Sheet Corner Protector (20x6mm) is the most durable small-format corner protector in the XKY Framing range, featuring a robust 0.5mm iron sheet that resists deformation under pressure. Despite its compact 20mm arm length, the thick construction ensures the corner cap maintains its shape even with heavy use on hardcover books, thick binders, and frequently handled items. The yellow gold finish provides a classic, premium appearance.</p> |
| Highlights | Heavy-Duty 0.5mm Iron Sheet |
| Custom Packaging | Yes |
| Arm Length | 20mm |
| Outer Diameter | 5mm |
| Total Width | 28mm |
| Inner Height | 6mm |
| Iron Sheet Thickness | 0.5mm |
| Material | Electroplated Iron |
| Finish Type | Electroplating |
| Sold Per | Piece / Set of 4 |
| β | 9 |
|---|
Why is the 0.5mm iron sheet significant for a 20mm corner protector?
Thicker sheet metal on smaller protectors prevents the arms from bending open when the corner is bumped or dropped, which is a common failure mode in thinner small-format protectors.
How does Q12 compare to Q10 (1083# Gold 20x7mm)?
Q12 (1003#) has a shorter inner height (6mm vs 7mm) but a thicker iron sheet (0.5mm vs 0.3mm), making Q12 better for items where durability is the priority and Q10 better for thicker-board items.
Is Q12 suitable for hardcover textbooks?
Yes. The 0.5mm sheet and 6mm inner channel are well-suited for hardcover textbooks and academic notebooks with standard board thickness covers.

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SKU: Q09
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SKU: Q04
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SKU: Q19
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