Description
Overview:
These M4 x 50mm A2 Hexagon Head Stainless Steel DIN 933 Setscrews are fully threaded hex bolts for secure, reliable fastening in construction and garden machinery. Made from A2 (304) stainless steel, they offer strong corrosion resistance for outdoor, damp and coastal use. Each screw has an M4 diameter with a 50mm thread length (approximately 1.97 inches), making them suitable for fastening thin sections, brackets, guards and panels where full thread engagement is needed. The hex head allows straightforward tightening with common hand tools on site or in the workshop. Supplied in a bulk pack of 200, they are a practical choice for routine maintenance and assembly work across mowers, tillers, compressors and general plant equipment, and they conform to DIN 933 for consistent fit and performance.
Key Features:
- M4 x 50mm fully threaded setscrews (50mm ≈ 1.97 inches) for maximum thread engagement
- A2 (304) stainless steel for dependable corrosion resistance in outdoor and marine environments
- Conforms to DIN 933 for dimensional consistency and interchangeability with standard metric hardware
- Hexagon head drives easily with a 7mm spanner or socket for quick installation and removal
- Coarse thread pitch 0.7mm suits general-purpose assemblies and pre-tapped M4 holes
- Ideal with M4 nuts and washers for through-bolting panels, brackets and fixtures
- Clean stainless finish helps resist staining and is easy to keep presentable on visible assemblies
- Reliable choice for steel, aluminium and plastic components where rust must be avoided
- Durable under vibration when used with spring or nyloc nuts (not included)
- Cost-effective 200 pack supports workshop spares, site kits and ongoing maintenance programmes
Typical Applications:
Used for fixing guards, covers, panels, handles, brackets and accessories on lawn mowers, cultivators, pressure washers, generators, compactors and light plant. Suitable for machinery assembly, repairs, jig and fixture building, and general fastening in outdoor, damp or coastal settings where corrosion resistance is important.
Also known as:
Hex head set screw, hex bolt (fully threaded), metric hex cap screw, M4 stainless bolt, M4 machine screw (hex head), DIN 933 bolt, stainless hex setscrew.
Alternate Part Numbers:
903 5176
Product Specifications
| L&S Part No. | 903 5176 |
|---|---|
| Unit of Sale | 1 |
| Size | M4 x 50mm |
| Key Features | - M4 x 50mm fully threaded for maximum engagement - A2 stainless steel resists corrosion in damp environments - Conforms to DIN 933 for consistent fit - Hex head suits 7mm spanner or socket - Bulk pack of 200 for maintenance needs |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£83.17 £69.31 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£83.68 £69.73
Related Products
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£83.17 £69.31 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£83.68 £69.73
