CODE Slat-1 M6 x 40mm Coach Bolts With Nuts & Washers Wooden Garden Bench / Classic Car Roof Rack Slats 24 Pack - Stainless Steel Price As Listed  This Is For A Twenty-Four (24) Pack Of M6 (6mm) Diameter Coach Screws With Nylok Nuts And Large Diameter Washers. This Coach Screw Style Of Screw Has A Square Collar Under The Head To Stop It Rotating Once It Has Seated Into The Wood. There Is 40mm Of Bolt Shank Under The Head Of The Bolts We have Some Slightly Shorter 35mm Bolts Listed Here Hard Woods May Need A Little Material Removed To Let The Collar In.  Soft Woods Usually Yield.  Its Worth Trying A Bolt On Some Scrap Wood To Get A Feel For What Works Best On Your Timber. All Parts Are A2-70 Stainless Steel. Item Is As Photographed. We Have An Alternative Kit That Uses Slotted Top Mushroom Head Screws That DO NOT Have The Square Collar : These Are Equally Popular. Click On This Link To Go To This Auction. WE SHIP TO EUROPE, USA & CANADA, AUSTRALIA, NEW ZEALAND, JAPAN etc. (enquire for current postage rates to YOUR destination) ALL PARTS ARE SHIPPED FROM THE UNITED KINGDOM (UK) Please Allow Royal Mail / USPS / Your National Delivery Company Time To Deliver We Will Use Signed-For Postage On All U.K. Orders For Larger Orders In Excess Of 2 Kg We Use UPS Or FedEx PAYMENT   UK CUSTOMERS :  PAYPAL (£UKP or $USD) / Personal Cheque (£UKP only) / Postal Orders (£UKP only)   USA CUSTOMERS :  PAYPAL ONLY ($USD or £UKP)   EUROPEAN CUSTOMERS : PAYPAL ONLY (£UKP or $USD)   CUSTOMERS IN THE REST OF THE WORLD : PAYPAL ONLY (£UKP or $USD)