Vented Phillips Countersunk Head Screws

csk phil vented

Vented Phillips Countersunk Head Screws


Technical Specs

Vented Phillips Countersunk Head Screws

When a screw is inserted into a blind tapped hole, a small pocket of gas will be trapped below the screw, this pocket of gas will give rise to a ‘virtual’ leak within your system. The use of vented screws will allow the pocket of gas to escape thus avoiding ‘virtual’ leaks.
LewVac offer a broad range of vented screws in many different styles and sizes. Just a small selection are listed here. If the style of screw or size that you require is not listed, please contact our sales office.


Supplied in packs of ten pieces.
304 stainless steel as standard.
316 stainless steel available on request.
UHV compatible.
Molybdenum disulphide (MoS2), tungsten disulphide (WS2), nickel (Ni) and silver (Ag) plating available on request.
Additional screw types and sizes available on request.

Product CodeThread SizeLength, mmPriceQuantityPDF & STP
A-VS-M2.5X4CSPHM2.54.0 P.O.A
    A-VS-M2.5X5CSPHM2.5 5.0 P.O.A
      A-VS-M2.5X6CSPHM2.5 6.0 P.O.A
        A-VS-M2.5X8CSPHM2.5 8.0 P.O.A
          A-VS-M2.5X10CSPHM2.5 10.0 P.O.A
            A-VS-M3X5CSPH M3 5.0 P.O.A
              A-VS-M3X6CSPH M3 6.0 P.O.A
                A-VS-M3X8CSPH M3 8.0 P.O.A
                  A-VS-M3X10CSPH M3 10.0 P.O.A
                    A-VS-M3X12CSPH M3 12.0 P.O.A
                      A-VS-M4X6CSPH M4 6.0 P.O.A
                        A-VS-M4X8CSPH M4 8.0 P.O.A
                          A-VS-M4X10CSPH M4 10.0 P.O.A
                            A-VS-M4X12CSPH M4 12.0 P.O.A
                              A-VS-M4X16CSPH M4 16.0 P.O.A
                                A-VS-M4X20CSPH M4 20.0 P.O.A
                                  A-VS-M4X25CSPH M4 25.0 P.O.A
                                    A-VS-M5X6CSPH M5 6.0 P.O.A
                                      A-VS-M5X8CSPH M5 8.0 P.O.A
                                        A-VS-M5X10CSPH M5 10.0 P.O.A
                                          A-VS-M5X12CSPH M5 12.0 P.O.A
                                            A-VS-M5X16CSPH M5 16.0 P.O.A
                                              A-VS-M5X20CSPH M5 20.0 P.O.A
                                                A-VS-M5X25CSPH M5 25.0 P.O.A
                                                  A-VS-M6X10CSPH M6 10.0 P.O.A
                                                    A-VS-M6X12CSPH M6 12.0 P.O.A
                                                      A-VS-M6X16CSPH M6 16.0 P.O.A
                                                        A-VS-M6X20CSPH M6 20.0 P.O.A
                                                          A-VS-M6X25CSPH M6 25.0 P.O.A
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