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Best Square Head Bolts Grade 8

Glvaner (8 Sets) 5/16-18 x 2-1/2' Stainless Steel Carriage Bolts Screws Round Head Square Neck and Hex Nuts & Flat Washers 304 Stainless Steel 18-8 Full Thread Coverage

  • 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..
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Architectural Mailboxes 5525P 53\ In Ground Mailbox Post, Pewter

  • 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.
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(8 Sets) 1/4-20 x 3/4" Grade 5 Carriage Bolts w/Washers & Nuts - Choose Size

  • 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).
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Carriage Bolt 18-8 Stainless Steel 1/2'-13 x 18' Qty-25

  • 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..
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ARP 1443602 High Performance Series Hex Cylinder Head Bolts

  • 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.
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Neiko 02409A 3/4

  • 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.
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ARP 1903607 High Performance Series Cylinder Head Bolts, Hex Style, For Select Pontiac Applications

  • 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.
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Generic 12\ Combination Square Set 4Pcs 4R Graduation Stainless Steel Ruler Tools

  • 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..
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Hard-to-Find Fastener 014973100506 Coarse Hex Bolts, 3/8-16 x 3/4, Piece-100, zinc

  • 【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.
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Segomo Tools 10 Piece Lug Nut Remover & Bolt Extractor - Metric and SAE Extractor Set - 10-19mm Stripped Bolt Remover & Nut Extractor Set - Stripped Lug Nut Remover Kit - NBE10919MM

  • [ Extract Even Damaged Bolts & Nuts ] Remove even the most stubborn nuts, bolts, lugs, studs, hex screws, and more. The left-hand spiral of each piece of this nut anad bolt extractor set is desgined for locking on to rounded ,damaged bolts for easy grip of stud, bolt or nuts..
  • [ Different Metric & SAE Sizes ] Work on different jobs with this extractor socket set. It offers the following sizes: 9mm 10mm 11mm (7/16) 12mm 13mm 14mm 15mm 16mm(5/8) 17mm 19mm (3/4) Can be used on SAE and Metric sizes.The working end has a helical shaped flute to help grip rounded fasteners, round head bolts and pan head screws..
  • [ Will Last For Years ] Our bolt & nut extractor kit is made from black Chrome Molybdenum that provides greater strength and durability and prevents corrosion. You will be able to work with this tool for years!.
  • [ 3/8 Drive Socket Set ] You can use our stripped lug nut remover with 3/8 square drive for use with socket wrench or impact wrench gun..
  • [ Stay Organized ] This lug nut & bolt extractor tool comes supplied in a durable case so that you can keep the set organized and easily transport it between different jobs..
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NEIKO 10056A 1/4-Inch 3/8-Inch & 1/2-Inch Drive XZN Triple Square Spline Bit Socket Set | 10 Piece Set | Cr-V Sockets and S2 Steel Bits

  • [VERSATILE]: This fastener bit set features 10 metric bits with the 3 largest sizes being tamperproof. Triple-square spline sockets are ideal for use with tamperproof lug nuts, cylinder head bolts, and other engine bolts..
  • [DESIGN]: This kit can convert standard square drives to triple square bits and is designed to eliminate camout and recess fallaway with elliptically based geometry and vertical sidewalls..
  • [PREMIUM QUALITY]: High-strength chrome vanadium steel sockets provide superior torque for greater turning power with mirror chrome finish for corrosion resistance and S2 alloy steel bits reduce wear-outs and ensure longevity and the tamperproof bits are made of CrV for extra strength..
  • [PRECISION]: Precisely machined bit tips ensure accurate size with a 0° drive angle that eliminates radial force preventing fastener recesses and gives access to nuts and bolts on European and Japanese cars and trucks..
  • [INCLUDES]: Set includes 1/4" drive (4mm, 5mm, 6mm), 3/8" drive (8mm, 9mm, 10mm, 12mm, tamperproof 14mm) and 1/2" drive (tamperproof 16mm and tamperproof 18mm)..
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Makerbeam M3 Bolts with Square Head, 12mm 100 pcs and 25mm 25pcs

  • 1 bag of approximately 100 M3 stainless steel square head bolts (12mm) designed for MakerBeam (10x10mm in diameter)..
  • 1 bag of approximately 25 M3 stainless steel square head bolts (25mm).
  • With hex hole for easy use with hex nut driver.
  • All MakerBeam elements can be combined and reused (no welding required) enabling shorter design and assembly times.
  • MakerBeam enables professional prototyping and provides mechanics for any electronics project.
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Remflex 3003 Exhaust Gasket for Ford V8 Engine, (Set of 2)

  • 1-1/8 inch width x 1-1/2" height Stock Square Port.
  • Ford V8 - 302 ('81-'95), 351 ('69-'97) Windsor, 1-1/8" x 1-1/2" Square Port, Manifold or Headers, 2/Set.
  • Heating and cooling of the exhaust system causes header and manifold flanges to warp resulting in gaps between the head and header which Remflex exhaust gaskets seal completely due to the thickness and compressibility of the 100 percent flexible graphite.
  • Remflex exhaust gaskets come in a standard 1/8 inch thickness and are designed to crush 50 percent allowing them to fill any pits or gaps in the flange surface up to 1/16 inch.
  • The aluminum cylinder head and steel header or manifold combination are configurations that readily cause gap issues in the mating flanges due to contraction and expansion of the dissimilar materials.
  • Remflex exhaust gaskets fill those gaps permanently.
  • There are no rubber binders or composite materials in Remflex exhaust gaskets so they will not shrink or harden due to time or temperature eliminating the need to go back and continually retighten your flange bolts.
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