Window Rack Bolts Electro Brass Window rack bolts are an ideal way to increase security on timber windows. They are morticed into the window and operated by a spline key that throws the bolt into the frame. For optimum security it is recommended that the bolts are fitted to the top and the bottom of the window.• Extra security• 42mm length• Used with spline key• Fixings included Specification Case Ø (mm) 16 Backset (mm) 21 Pack Type TIMpac Screw Size (mm) 3.0 x 15 No. Of CSK Screws 6 Case D (mm) 42 Screw Size (imp.) 4 x 5/8 Bolt Ø (mm) 13 Keep Size H x W (mm) 42 x 20 Pack Weight (kg) 0.142 Brand TIMCO Feature 2 42mm length Feature 3 Used with spline key Pack Dimensions L x W x H (mm) 159 x 87 x 24 Pack Qty 2 Pack Quantity Unit Pieces MOQ 1 MOQ Increment 1 Bolt Throw (mm) 11 Faceplate Size H x W (mm) 42 x 20 Faceplate Type Square Material Steel Finish Electro Brass Corrosion Rating (1-5) 2 - Occasionally damp/wet, rural and sheltered areas Included Items Key (Qty 1) Feature 1 Extra security Feature 4 Fixings included