FREE SHIPPING! - SAVE UP TO 25% OFF AT CHECKOUT

Fastener Info

Print ruler

Posted by Fastenere on

9" and 230mm Ruler Download and Print. Print Ruler:

Read more →

Thread pitch

Posted by Fastenere on

Thread Pitch and Thread Count (TPI) Thread Count (TPI) TPI stands for Threads Per Inch. TPI simply a count of the number of threads per inch measured along the length of a fastener. TPI is used only with American fasteners. Metric Fasteners use a thread Pitch. In general smaller fasteners have finer threads, so the thread count is higher. Thread Pitch Metric fasteners are specified with a thread pitch instead of a thread count. The thread pitch is the distance between threads expressed in millimeters (measured along the length of the fastener). For example a thread pitch of 1.5 means that...

Read more →

Pilot Hole Size

Posted by Fastenere on

Wood Screw Pilot Hole Sizes Screw Size Hard Wood Soft Wood Countersink Size Tapered Bit Straight Bit Tapered Bit Straight Bit #2 3/32" 1/16" 5/64" 1/16" 1/4" #3 7/64" 5/64" 3/32" 1/16" 1/4" #5 1/8" 3/32" 7/64" 5/64" 5/16" #6 9/64" 7/64" 1/8" 3/32" 5/16" #7 5/32" 7/64" 1/8" 3/32" 5/16" #8 11/64" 1/8" 5/32" 7/64" 3/8" #9 3/16" 9/64" 11/64" 1/8" 3/8" #10 13/64" 9/64" 3/16" 1/8" 7/16" #12 7/32" 5/32 13/64" 9/64" 7/16" #14 1/4" 11/64" 15/64" 5/32" 1/2" #16 9/32" 3/16" 17/64" 11/64" 9/16" #18 5/16" 7/32" 19/64" 13/64" 5/8" #20 21/64" 15/64" 5/16" 7/32" 3/4" #24...

Read more →

Fastenere - Machine Screw Diameters

Posted by Fastenere on

Machine Screw Diameters Fine Thread Coarse Thread Nearest Fractional 0-80 1/16" 1-64 1-72 5/64" 2-56 2-64 3/32 3-48 3-56 7/64" 4-40 4-48 7/64" 5-40 5-44 1/8" 6-32 6-40 9/64" 8-32 8-36 5/32" 10-24 10-32 3/16" 12-24 12-28 7/32" 1/4-20 1/4-28 1/4" 5/16-18 5/16-24 3/8-16 3/8-24 1/2-13 1/2-20

Read more →

Bolt Grade Rating and Strength Chart

Posted by Fastenere on

US Bolts Head Marking Grade and Material Nominal Size Range (inches) Proof Load (psi) Min. Yield Strength (psi) Min Tensile Strength (psi) No Marking Grade 2 Low or medium carbon steel 1/4" thru 3/4"  55,000  57,000  74,000  Over 3/4" thru 1-1/2"  33,000  36,000  60,000 3 Radial Lines Grade 5Medium carbon steel, quenched and tempered 1/4" thru 1"  85,000  92,000  120,000 Over 1" thru 1-1/2"  74,000  81,000  105,000 6 Radial LInes Grade 8Medium carbon alloy steel, quenched and tempered 1/4" thru 1-1/2" 120,000 130,000 150,000 Grade A325 Carbon or Alloy Steel with or without Boron 1/2" thru 1-1/2" 85,000 92,000 120,000...

Read more →