M4 (4mm) x 20mm Low Cap Head Captive Screws (DIN 7984) - Thread Locking Stainless Steel (A2) Description
The M4 (4mm) x 20mm Low Cap Head Captive Screws (DIN 7984) - Thread Locking Stainless Steel (A2) has the following features:
- 2.8mm Head Length (H)
- 2.3mm Hexagon Depth (P)
- DIN 7984 Manufacturing Standard
- 20mm Length (L)
- 8mm Thread Length (E)
- Stainless Steel (A2) Material
- Stainless Steel (A2) Material Specification
- 0.7mm Screw Thread Pitch
- Thread Locking Finish
- Metric Metric or Imperial?
- M4 (4mm) Thread Size
- 7mm Head Diameter (D)
- 12mm Captive Length
- 3mm Captive Diameter (C)
- +0/-0.22mm Head Diameter (D) Tolerance
- +0/-0.14mm Head Length (H) Tolerance
- 2.5mm Socket Size (J)
- M4 (4mm) Suitable Captive Washer
- /captive-washers/654117-HACW-M4-A2 Suitable Captive Washer Link
Discover more about the Low Cap Head Captive Screws range.
A Captive Screw features an unthreaded portion below the screw's head. When coupled with a specialist Captive Washer, Low Head Captive Screws are designed to be self-retaining after installation.
Low Cap Head Captive Screws are similar in design to Accu's standard Cap Head Captive Screws range. The modified head is ideal for applications and assemblies that are limited by a smaller space envelope.
For more information on Accu's Captive Screw range, please see our What is a Captive Screw? page.
Metric Low Cap Head Captive Screws Sizing
The Low Head Captive Screw range covers thread sizes of M3 to M12.
Custom Manufactured Captive Screws
A selection of popular thread and captive lengths are available to purchase online, with additional options available on request. Specially manufactured Captive Screws can also be supplied to fulfill specifications. For a quotation, please contact us or submit a technical drawing to MADEbyACCU.