**Carbon Steel Slotted Hex Nuts**
**Standards:** DIN 935 / DIN 937 / ANSI / ASME B18.2.2
**Sizes Available:**
- **Metric:** M4, M6, M8 up to M48 (regular supply from M10 to M24)
- **Inch:** 3/8" to 1" (standard sizes in stock)
- Custom sizes available upon request
**Grades/Classes:**
- **Carbon Steel:** Class 5, 8, 10
- **Inch Standard:** Grade 2, 5, 8 (UNC and UNF threads)
**Surface Treatments:**
- Plain (PL), Black (BK), Zinc Plated (ZP), Yellow Zinc (YZP), Blue Zinc (BZP), Hot Dip Galvanized (HDG), Bronze
- Additional options: Nickel, Chrome, Dacromet, Cr3+, Cr6+
**Material Options:**
- Carbon Steel
- Alloy Steel
- Stainless Steel: SS201, SS301, SS304, SS316
- Stainless Grades: A2-70, A4-80
**Standard Types:**
- DIN 935 & DIN 937 – Slotted Hex Nuts
- ASME/ANSI B18.2.4.3M – Metric Slotted Hex Nuts
- JIS B1170 – Slotted Hexagon Nuts
- DIN 797 – Thin Castle Nuts
- BS 3692 – Hexagon Slotted and Castle Nuts (Style 1 - Product A & B)
**Features:**
- Designed with opposed slots on the top of the nut for cotter pin insertion
- Used with drilled shank fasteners for secure locking
- Available in coarse or fine pitch threads
- Suitable for both metric and inch standards
- Ideal for applications requiring anti-loosening features
**Additional Information:**
- Maximum hardness: Rockwell C32
- Proof load: 72,000 psi
- Surface treatments can be customized based on customer requirements
- Online catalog and detailed specifications available at hexnuts.cn
Whether you need standard or custom slotted hex nuts, we provide a wide range of options to meet your industrial needs. Contact us today for samples, pricing, or technical support.
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