Raised Phillips Countersunk Reduced Thread Captive Screws

Raised Phillips Countersunk Captive Screws feature a raised head – installed into a countersink hole using a standard Phillips screwdriver or insert bit.

Featuring a reduced thread, or captive shank, these components are typically partnered with a Threaded Captive Washer. Once fastened, they cannot be fully removed from their housing. This helps to prevent loss or damage by creating a self-retaining fastener.

Raised Phillips Countersunk Reduced Thread Captive Screws conform to the EU Machine Safety Directive 2006 and are often found amongst sheet metal and captive panels which need to be retained for safety reasons.

Manufactured from A2 / 304 Stainless Steel and A4 / 316 Stainless Steel as standard. These components can be supplied in various materials on request, including Titanium, Aluminium, and Phosphor Bronze.

Available at Fastenright in thread sizes M1.6 to M10, with lengths from 8mm to 100mm. Optional thread locking patches are also available on request.

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.

Standard Phillips Countersunk Captive Screws are also available at Fastenright. Our full range of Captive Screws can be found here.

d1 and L1 dimensions can be to customer specification.

Technical Data & Availability
Thread Diameter	M1.6	M2	M2.5	M3	M3.5	M4	M5	M6	M8	M10
dk (mm)	3	3.8	4.7	5.6	6.5	7.5	9.2	11	14.5	18
d1 (mm)	1.12	1.4	1.8	2.2	2.6	3	3.8	4.5	6.2	8
k (mm)	0.4	1.3	1.5	1.9	1.9	2.2	2.5	3	4	5
L (mm)	8	10	10	14	16	18	22	25	35	45
L1 (mm)	3.2	4	4	6	7	8	10	12	16	20
f (mm)	0.4	0.5	0.6	0.75	0.85	1	1.25	1.5	2	2.3
Available Lengths (L)	M1.6	M2	M2.5	M3	M3.5	M4	M5	M6	M8	M10

8mm
10mm
12mm
14mm
16mm
18mm
20mm
22mm
25mm
30mm
35mm
40mm
45mm
50mm
55mm
60mm
65mm
70mm
75mm
80mm
90mm
100mm

= Available Size not listed? Please contact us – we may be able to provide it.