Square Neck, Round Head Carriage Bolt Grade 8 Full Thread Plain Finish

Grade 8 fully threaded square neck carriage bolts with a plain finish deliver premium tensile strength for demanding indoor wood and metal connections that don't require corrosion protection. Blue Ribbon Fastener stocks these carriage bolts in standard diameters and lengths.

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Usages for Grade 8 Full Thread Plain Finish Carriage Bolts

These carriage bolts are specified in high-load indoor connections where Grade 5 strength isn't sufficient, such as heavy equipment mounting and structural timber connections not exposed to moisture.

Grade 8 Plain Finish Carriage Bolts for all Industries

Heavy equipment manufacturing and indoor structural timber connections specify Grade 8 carriage bolts where maximum strength is needed. Blue Ribbon Fastener supplies consistent stock with proper grade markings.

Grade 8 Full Thread Plain Finish Carriage Bolts Features for Engineers & Buyers:

SAE Grade 8 steel, premium tensile strength
Fully threaded shank for use across varying grip lengths
Plain (uncoated) finish for indoor, non-corrosive applications
Square neck resists rotation during nut tightening
Available in a wide range of diameters and lengths
Same-day shipping on in-stock sizes when ordered by 2:30 PM CST
Volume and repeat customer pricing available — call or request a quote