Finexpress Precision Manufacturing (dongguan) Co., Ltd
Dongguan Zhonggu Metal Co., Ltd
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Product Overview
Elevate your bookbinding, leathercraft, and premium stationery projects with our TM4×7 Male Stainless Steel Chicago Screw Post. Designed for durability and precision, this screw post combines corrosion-resistant stainless steel construction with a sleek, polished finish to securely fasten journals, albums, leather goods, and more. Ideal for professional craftsmen and DIY enthusiasts, it offers reusable, rust-proof performance with a refined aesthetic.
✅ High-Grade Stainless Steel
Crafted from 304/316 stainless steel for exceptional resistance to rust, tarnish, and corrosion—perfect for humid environments or frequent handling.
✅ TM4×7 Threaded Design
Metric TM4 (4mm diameter) with a 7mm post length ensures a snug fit for binding materials up to 7mm thick, providing secure, adjustable fastening.
✅ Sleek & Professional Finish
Polished stainless steel surface offers a modern, clean look, enhancing the visual appeal of luxury journals, portfolios, and leather accessories.
✅ Reusable & Tool-Free Installation
Easily assemble and disassemble projects with a simple screwdriver—no specialized tools required. Perfect for prototypes or adjustable designs.
✅ ROHS & REACH Compliance
Free from harmful substances, meeting global safety and environmental standards for consumer products.
Material: 304/316 Stainless Steel (AISI compliant)
Thread Size: TM4 (4mm diameter)
Post Length: 7mm (standard; customizable lengths 5mm–20mm available)
Finish: Polished (standard), brushed, or antique finish options
Temperature Resistance: -40°F to 1200°F (-40°C to 650°C)
Packaging: 50 pieces per box (custom quantities available)
Standards: ISO 9001, ASTM F593, ROHS
| More Detail Informations | | |
| Available Material | 1.Stainless Steel: SS303, SS304, SS316, SS410, SS420; 2.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045; 3.Brass: C3602,C3604,Hpb59,Hpb62,Hpb65,Hpb58,Hpb70 ; 4.Aluminum: Al6061, Al6063 etc or as your requirements | |
| Head type | CSK Head,Pan Head,Truss Head,Hexagon Head,Round Head,Oval Head,Button Head,Cap Head,Cheese Head,etc. | |
| Hardness | Carbon Steel:HRC:28~35 ,HV450~700 Alloy Steel:HRC:32~39(grade10.9) HRC:39~44(grade12.9) | |
| Finish | Zinc plated, Nickel plated, Bronze, Copper,Phosphate, Oxidation black, Passivation, Tin, Dacromet, Gold, Chrome, Silver, Phosphorization,Zinc-nickel alloy plated etc. | |
| Sample Available | The sample is free of charge if we have the existing tooling,you only need to pay for the freight cost | |
| Delivery time | Samples time 3-5 working days, Lead time 20-25 working days | |
| Pricing Term | EXW Dongguan(FCA),FOB, CIF, CNF, DDU,etc. | |
| Packing | Bulk in PE bag or Small boxes.then in carton .pallet | |
| Payment term | TT (30% in advance as deposit, balance before delivery) , L/C, Western Union,PayPal etc | |
| Management system | ISO9001:2015 | |
| Certificate | ISO,ROHS | |