Reviews Square Head Bolts Grade 8

(10 pc)1/4-20 x 2\ Long Square-Neck Carriage Bolts Set w/Nuts & Washers,Zinc-Plated,Carbon Steel Grade 2,by Fullerkreg

Carriage Bolts are a robust and durable fastener solution. Carriage Bolts feature a square section underneath their head, which makes them self-locking when used within a square hole..
About half the strength of medium-strength bolts, these Grade 2 bolts are for light duty fastening..
Zinc-plated steel bolts resist corrosion in wet environments.Fullerkreg Fasteners are always backed by a 100% satisfaction guarantee.
Imperial Carriage Bolts conform to ANSI standard B18.5. Diameters is ¼ inch and lengths is 2 inch..
Package includes ten each of bolts, hex nuts & washers.

Package Includes: 8 Pcs Carriage Bolts (5/16-18 x 2-1/2") + 8 Pcs Hex Nuts (5/16"-18)+ 8 Pcs 5/16" ID Flat Washers.
Screw length (including the neck): 2-1/2 inch or 63mm.
Material: 304 stainless steel (A2) and no exterior finish, greater strength and corrosion resistance performance than regular stianless steel or zinc plated fasteners..
Carriage bolts have a dome shaped head and a square neck generally requiring a hex nut and flat washer. The square neck makes them self-locking when used within a square hole..

Accommodates 1-mailbox (duo, tri or quad spreader plates available separately).
Designed with a 4 in. square cross-section of heavy-gauge steel tubing with a mounting plate welded on top.
Commercial grade, powder-coated pewter finish.
Includes 4 zinc-plated steel hex-head bolts 3/8 in. - 16 thread size, 1 in. L, 4 zinc-plated 3/8 in. thread size nuts and zinc-plated washers.

Convenient pack of 8 bolts, 8 flat washers, 8 lock washers, and 8 nuts.
Made of grade 5 medium carbon steel and zinc plated for corrosion resistance.
Grade 5 bolts are ideal for automotive applications where high strength is needed.
Size Information: Diameter = One quarter inch, Length = bolts are measured by the distance from the end of the bolt to the head (not including the head itself).
Thread Information: 20 TPI = 20 Threads Per Inch (standard coarse threads).

A carriage bolt has a domed or countersunk head and the shank is topped by a short square section under the head of the bolt..
The square section grips into the part being fixed, preventing the bolt from turning when the nut is tightened..
Carriage bolts are often used to fasten wood panels or board to masonry or to one another..
The square shank of the bolt allows it to lock into place when inserted into a round hole in wood or a square hole in a metal strap, the unthreaded square shank pulls into the wood creating a tight connection..
18-8 Stainless steel is corrosion and rust resistant. 18-8 Stainless steel is considered the fastener industry standard..

High Performance Series cylinder head bolts are a premium replacement for OEM fasteners.
Bolts are 180,000 psi, which is 15% stronger than Grade 8 hardware.
Wide area flanged head eliminates the need for valve train removal to facilitate cylinder head retorquing.
Features reduced wrenching hex style heads.
Comes complete with hardened parallel-ground washers.

A complete set of high-torque, SAE chrome molybdenum steel sockets with drive for trucks and heavy machinery.
Set includes 18 sliding T head breaker bar and two extension bars for loosening tough fasteners by hand.
18, 24 tooth, oval-head ratchet with quick-release drive tang for manual use without impact driver.
Six point design grips the flat sides of fasteners rather than the corners to prevent stripping and rounding off of bolts.
Set comes with 17 Sockets: 7/8", 15/16", 1", 1-1/16", 1-1/8", 1-3/16", 1-1/4", 1-5/16", 1-3/8", 1-7/16", 1-1/2", 1-5/8", 1-3/4", 1-13/16", 1-7/8", 2" and 13/16" Square Socket.

High Performance Series cylinder head bolts are a premium replacement for OEM fasteners.
Bolts are 180,000 psi, which is 15% stronger than Grade 8 hardware.
Wide area flanged head eliminates the need for valve train removal to facilitate cylinder head retorquing.
Features reduced wrenching hex style heads.
Comes complete with hardened parallel-ground washers.

Set Includes: 12-Inch Stainless Steel Rule, Protractor Head, Square Head, Center Head, Scriber, and Storage Case..
Hardened Cast Iron Steel Heads with Reversible Lock Bolts.
Direct Reading Double 180 Degree Protractor Scale.
Ruler Graduations: 1/16 in. and 1/8 in, up to 12in..

【Bolts Dimension】Thread diameter: M12.
【Standard and Grade 】Hex Head Bolts Standard: ISO4017/DIN944. Performance grade : 6.8 ..
【Material】Hex Head Bolts is made of 304 Stainless Steel which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments..
【Wide Application】Hex Head Bolts are widely used in the assembly and maintenance of households, machine tools, construction, ships and DIY project. Such as the assembly and fixing of guardrails, home appliances, pipeline installations, equipment, steel-framed houses, etc..
【Package Content】5Pcs x Hex Head Bolts.