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Security E6 Drive Captive Screws

Security E6 Drive Captive Screws host a unique, external non-slip drive with six slots and a domed head.

Captive screws are designed with an unthreaded portion, or reduced shank, below the head. Once installed, they are retained or held “captive” within the target housing. This increases safety and prevents any loss of fasteners.

As a two-way reusable drive, these screws are ideal for applications where regular maintenance is required. The drive is designed to resist cam-out – enabling higher torque to be achieved and reducing the risk of damage.

These tamper-proof security screws require a special System Zero Security Insert Bit for installation and removal – also available at Fastenright.

Security E6 Drive Captive Screws can be used alongside Security Wave Nuts, Shear Nuts, Kinmar Reusable Nuts, Kinmar Permanent Nuts or 4-Hole Nuts for added security.

Manufactured from A2 Stainless Steel as standard, with other materials and finishes available to order.

Available now in thread sizes M2 to M8 as standard, with lengths ranging from 8mm to 60mm. Fastenright supply a huge range of Captive Screws suitable for most applications and assemblies.

Non-standard sizes, materials and finishes are available to order as specials, including small volume manufacture, modifications and bespoke parts made to drawings. Minimum order quantities apply. Security E6 Drive Captive Screws Technical Drawing

d1 and L1 dimensions can be to customer specification.

Technical Data & Available Sizes
M2 M2.5 M3 M3.5 M4 M4.5 M5 M6 M8
dk (mm) 3.5 4.5
4.5 6 6 7.5 7.5 9 12
k (mm) 1.1 1.6 1.6 2.1 2.1 2.6 2.6 3.1 4.2
c (mm) 0.4 0.5 0.5 0.5 0.5 0.8 0.8 1 1.2
d1 (mm) 1.4 1.8 2.2 2.6 3.0 3.4 3.8 4.5 6.2
d2 (mm) 4.5 5.5 5.5 7.5 7.5 9 9 11 14.5
L1 (mm) 4 5 6 7 8 9 10 12 16
Lengths (L)
M2 M2.5 M3 M3.5 M4 M4.5 M5 M6 M8
 black icon image = Available
Size not listed? Please make an enquiry – we may be able to provide it.
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