A 9T41-B8399122 is a black acetal resin knurled thumb screw knob with a 1/4-20 screw, 3/4 inch long. The knob has a 1/2 inch diameter and is assembled with a steel alloy screw, priced per 10 pieces. The part belongs to a series of decorative thumb screw knobs with varied colors and lengths, where the color is indicated by a suffix letter: B for black. All variants in the series use acetal resin for the knob and steel alloy for the screw. The screw thread and length are fixed per model, and this variant matches the catalog entry A 9T41-8399122 with the color code B.
Industrial fasteners are hardware devices that join two or more items together, creating a semi-permanent or permanent connection. The fasteners most frequently used by machinery designers are screws, nuts, retaining rings, and various types of pins because of the basic role that they play in the assembly of mechanisms. Various industrial hardware components are used in the assembly process including knobs, washers, spacers, shims, handles, springs, spring-powered reels, and ball plunger screws.
Fasteners play a vital role in a wide range of applications, from everyday household items to medical devices, robotics, and even outer space. Careful consideration must be given before selecting the most appropriate fastener for an application.
Download Reference Tables to help with selection:
| Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|
| Product Category | Knobs (industrial) |
| Product Number | A 9T41-B8399122 |
| Product Name | 1/4-20 Black Acetal Knurled Knob & Cap Screw Ass'y, 3/4" lg. |
| Knob Type | Thumbscrew |
