BLACK M5 A4 Stainless Steel Machine Screws WITH WELL NUTS (X)



M5 x 25mm Black Pozi Countersunk Screws (DIN 965Z) -  Stainless
Steel - Chemical Black Finish
These marine grade  stainless steel  chemically blackened screws have been salt tested to comply with some automotive regulations – the screws were subjected to 330 hours of salt spray testing without any corrosion.
 Well Nuts The ultimate Fixing (Pack of 6)
M5 Neoprene Well Nut  With 20mm  Pozi Screw (Pack 6)
A4 Marine Grade Stainless Steel
Grip Range 0.4-4.9mm
Drill Size 10 mm

 These Well nuts have a Grip Range 0.4-4.9 mm (Hull thickness)  If your hull is thicker you need to order Type (D) from our site with 40 mm screws

 Simple to install
Place 'Well-Nut' insert all the way into the pre-drilled hole until the flange is firmly against the mounting surface.
Pass the machine screw through the part to be fastened and tighten until snug
'Well Nut', a flanged neoprene bushing with a captive brass nut, is designed to provide a shock and vibration resistant fixing for engineering structures. This demountable blind screw anchor is suitable for applications of many kinds in many conditions,  a high rate of radial expansion even allows use in blind holes in solid materials.
Access needed to only one side of the workpiece
Used with standard metric machine screws
Fastens in blind, burr-free holes
Can be used in closed end holes
Will not mar prefinished surfaces
Helps seal out ambient moisture
Absorbs noise
Electrically isolating
Dampens vibration and shock
Helps prevent galvanic corrosion
Ideal for metal-to-plastic and other mixed material assemblies
Resistant to ozone and weathering in outdoor conditions
Suitable for marine applications
Removable and reusable
Snap-in feature to facilitate assembly line use
BLACK A4 Stainless Steel Machine Screws, Washers and Lock Nuts  (O) - BLACKmscrew