The RM440MS100BK is a 100-pack of black #4-40 x 3/8" machine screws for Hammond RM series top and bottom plate assembly. It is intended for OEM engineers, integrators and service technicians who build or maintain RM series enclosures and need replacement fasteners for the top/bottom plates.
According to the part drawing, the screws are black steel with a #1 drive Phillips flat head and a #4-40 x 0.375" thread. The drawing gives a screw length of 9.53 mm [0.375 in], a head diameter of 5.08 mm [0.200 in], a head height of 1.46 mm [0.058 in] and an 82° head angle.
The series hardware list classifies the part as assembly screws for the RM series. The screws are supplied 100 to a package in a box, with a shipping weight of 0.99 lbs (0.45 kg). The RM440MS100BK is RoHS compliant and REACH compliant.
The same hardware list includes #4-40 speed nuts, black, for the RM series as a separate pack. In most cases, enclosures include all hardware needed for assembly, so this pack is for replacements and spares. Hardware packs may not be compatible with all parts in the listed series; check the enclosure's replacement parts and accessories list to confirm fit before ordering.
| Head | #1 Drive Phillips Flat Head |
| Thread | #4-40 x 0.375" |
| Part Number | RM440MS100BK |
| Screw Style | Machine screws |
| Product Type | Screws |
| Hardware Type | Assembly Screws |
| Long Description | hardware - 4-40 machine screws for RM top/bottom plate assembly - 100 pack |
| Quantity Per Pack | 100 |
| Short Description | RM 4-40 x 3/8 SCREW, 100 PACK |
| Hardware Description | #4-40 x 3/8" screws, black |
| Head Angle | 82° |
| Head Height | 1.46 mm [0.058 in] |
| Screw Length | 9.53 mm [0.375 in] |
| Head Diameter | 5.08 mm [0.200 in] |
| UPC | 623980538587 |
| UNSPSC | 39121301 |
| Intended Use | RM top/bottom plate assembly |
| Applicable Enclosure Series | RM |
| Packaging Type | box |
| Shipping Weight | 0.99 lbs (0.45 kg) |
| Color | Black |
| Material | Steel |
| Material (Drawing) | Steel (Black) |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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The manufacturer describes it as 4-40 machine screws for RM top/bottom plate assembly.
A #1 drive Phillips flat head with an 82° head angle, per the part drawing.
#4-40 x 0.375" thread; the drawing shows 9.53 mm [0.375 in] length and a 5.08 mm [0.200 in] head diameter.
100 per package, in a box.
The hardware list includes #4-40 speed nuts, black, for the RM series as a separate pack.
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