Patent ID: 9718170
Date: 2017-08-01
CPC Classifications: B25B

Claim:
1. A tool having a first end adapted to engage a fastener having a fastener head with a generally hexagonal shape defining first and second fastener head corners and a fastener flank with a flank length therebetween, comprising: an inner surface disposed on the first end having first and second recesses respectively adapted to receive the first and second fastener head corners, and a sidewall extending between the first and second recesses, the sidewall includes substantially straight first and second portions respectively having first and second portion lengths, the first and second portions are angularly disposed by about 4 to 12 degrees relative to each other, wherein the first portion length is about 20 to 30 percent of the second portion length, and wherein the first portion extends from the second portion to the first recess, and the second portion extends from the first portion towards the second recess, thereby creating an intersection between the first and second portions that defines a contact point that is adapted to engage the fastener flank at a distance of about 30 to 60 percent of half the flank length away from the first fastener head corner.