Hammond RM440MS100BK #4-40 x 3/8" Black Flat Head Machine Screws, 100-Pack
Ships from and sold by A5 IT
Exclusive pricing and Net-30 terms. Sign in or create a free account.
Create Free Business AccountKey Features
- 100 black #4-40 x 3/8" machine screws
- For RM series top/bottom plate assembly
- #1 drive Phillips flat head with 82° head angle
- Head diameter 5.08 mm [0.200 in]; length 9.53 mm [0.375 in]
- Black steel; RoHS and REACH compliant
- Boxed; shipping weight 0.99 lbs (0.45 kg)
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.
Ideal For
- Assembling RM series top and bottom plates
- Replacing lost RM plate screws
- Spare black hardware for RM enclosure service
Overview
| 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 |
Dimensions
| 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] |
Identifiers
| UPC | 623980538587 |
| UNSPSC | 39121301 |
Compatibility
| Intended Use | RM top/bottom plate assembly |
| Applicable Enclosure Series | RM |
Packaging & Shipping
| Packaging Type | box |
| Shipping Weight | 0.99 lbs (0.45 kg) |
Construction & Finish
| Color | Black |
| Material | Steel |
| Material (Drawing) | Steel (Black) |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
Purchasing this for your business?
Business account holders get access to exclusive pricing, volume discounts, and dedicated support. Create a free account to get started.
Frequently Asked Questions
What is RM440MS100BK used for?▾
The manufacturer describes it as 4-40 machine screws for RM top/bottom plate assembly.
What head style do the screws have?▾
A #1 drive Phillips flat head with an 82° head angle, per the part drawing.
What are the screw dimensions?▾
#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.
How many screws are included and how are they packed?▾
100 per package, in a box.
Are matching speed nuts available?▾
The hardware list includes #4-40 speed nuts, black, for the RM series as a separate pack.
Related Products
Save 52%RM3UMTGFL — hardware - rack-mounting flange for RM series, 3U
Hammond Manufacturing · RM3UMTGFL
Save 52%RM440SN100BK — hardware - 4-40 speed nuts for RM top/bottom plate assembly - 100 pack
Hammond Manufacturing · RM440SN100BK
Save 52%RM3U28BKSP — RM3U X 28" Side Panel Black
Hammond Manufacturing · RM3U28BKSP
Save 52%RM4U08BKSP — RM4U X 8" Side Panel Black
Hammond Manufacturing · RM4U08BKSP
Save 52%RM3U22BKSP — RM3U X 22" Side Panel Black
Hammond Manufacturing · RM3U22BKSP