User Information E-mail address: Password: I Forgot My Password New User Registration		catalog • cultivator • spike teeth   select a product SH58H Spike Tooth Headed tooth; 5/8" square; 8" overall length. SHSQ11 Spike Tooth Headed tooth; 3/4" square; 11" overall length. SH8525P Spike Tooth Pipe attachment tooth; 5/8" x 7/8"; 8-1/2" overall length including 2-1/2" threaded shank; 7/16" NC threads.