Bronze & Brass Fasteners Pty. Ltd.
133301 - Silicon Bronze Machine Screw Square Drive Flat Head- 1/4 - 20 UNC x 4" (T 50mm) (#3 Tip)
133301 - Silicon Bronze Machine Screw Square Drive Flat Head- 1/4 - 20 UNC x 4" (T 50mm) (#3 Tip)
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A countersunk or flat metal thread machine screw that can either fastened with a nut and washer or into a female thread or component.
With a square drive, these screws have a positive drive engagement.
| Head Diameter | 11.7mm |
| Head Height | 4.3mm |
| Outside Thread Diameter | 6.25mm |
| Driver | #3 Robinson/Square |
| Countersink Angle | 90 degrees |
| TPI |
20 |
| BSW Compatible | 1/4-20 |
| Metric Equivalent | M6 |
| Thread Length | Full Thread |
| Finish | Mill Finish |
| Material | Solid Silicon Bronze |
| Length | 100mm |
Manufactured for Bronze and Brass Fasteners Pty Ltd by Yushung Metal Products Co., Ltd.
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