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LAG BOLTS - also known as lag screws. Lag bolts are similar to wood screws but are generally much larger, ranging in sizes from ¼ x 1 to ¾ x 24. Available in hex head and limited sizes of square head. Lag bolts are designed to fasten heavy timbers together. Or to fasten wood to concrete using a lag shield. Available in zinc coating, hot dip galvanized and stainless steel. Lag bolts meet ASME B18.2.1 specs.
CARRIAGE BOLTS - also known as coach bolts. Carriage bolts have a domed head and a short square section under the head witch is designed to fit into a square hole into the material being fastened. Carriage bolts are available in sizes ranging from 10-24 x ¾ to ¾-10 x 24, carriage bolts are available in low carbon zinc plate, hot dip galvanized, Grade 5 zinc, grade 5 plain, grade 8 plain and stainless steel. Carriage bolts meet ASME B18.5 specs.
SQUARE HEAD BOLTS - available in sizes ranging from 3/8-16 x 1 to 11/4-7 x 10. Also available in grade 5 plain and grade 8 plain. Square head bolts meet ASME B18.2.1 specs.
PLOW BOLTS #3 - a #3 plow bolt is a square shoulder countersunk head bolt designed for heavy equipment. # 3 Plow bolts are available with a flat top or slightly domed top. Available in #3 domed head and #3 flathead. Sizes ranging from 3/8-16 x 1 to 1-1/4-7 x 8, grade 8 plain, grade 8 zinc and yellow, Grade 5 plain and grade 5 zinc.
ANCHOR BOLTS - anchor bolts are headless bolts with either an L hook or J hook at the end. Anchor bolts are designed for structural anchoring and are typically made to order, however many common sizes are in stock and ready for shipment. Anchor bolts are manufactured to ASTM A36 specs. With a min. tensile strength of 58,000 psi.
EYE BOLTS - an eye bolt is a bolt with a looped end. Eye bolts are available in plain pattern, shoulder pattern and bent eye, sizes ranging from ¼ to 1 1/2 material diameter. Materials available; drop forged, hot dip galvanized, zinc plate or stainless steel.
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Figure 1 BENT EYE BOLT |
Figure 2 SHOULDER PATTERN EYE BOLT |
Figure 3 PLAIN PATTERN EYE BOLT |
TAP BOLTS - also known as a full thread bolt or cap screw. A tap bolt is a bolt that is threaded all the way to the head. Made to ASME B18.2.1 tolerances. Tap bolts are available in grade 2, 5 and 8 in zinc, plain or zinc and yellow finish. Tap bolts are also available in stainless steel.
Please contact the Palmer Bolt & Supply sales team for ordering bolts. | 
