The head portion of the fastener comprises a beveled ring gear 92 which is similar in {TAIL ~ structure} to {HEAD ~ the ring gear} 14 of the fastener 10 and is engageable with a pinion type gear 94 of the drive tool 
The head portion of the fastener comprises a beveled ring gear 92 which is similar in { TAIL ~ structure } to { HEAD ~ the ring gear } 14 of the fastener 10 and is engageable with a pinion type gear 94 of the drive tool
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH