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DOG POINT: A straight pointed section reduced in diameter slightly below the root diameter of the thread. Usually extending In length about two-thirds the diameter of the thread. Recommended for ease In starting, to insure against stripping fine threaded products, and to increase efficiency along production lines.
A questão é, como sempre, como dizer isso em português...
Obrigada! Na verdade acho que é "ponta rebaixada curta" Olha o que eu achei:
http://64.233.169.104/search?q=cache:tX3B2mzMvDUJ:www.pldata.net/newsletter_pld/pldata_1994_09.pdf+parafuso+ponta+rebaixada&hl=pt-BR&ct=clnk&cd=1&gl=br&lr=lang_pt 4 KudoZ points were awarded for this answer
"parafuso curto com ponta curta (perno roscado de ponta rebaixada )
Explanation: Sug.
dog point: ponta rebaixada
- perno roscado de ponta rebaixada (headless set screw with dog point)
- Product information for Square head bolts with short dog point from Shaoxing Goodnail Hardware Co., Ltd.. Source what you need here!
goodnailfastener.en.alibaba.com/product/50369992/200227014/Square_head_bolts_with_short_dog_point.html - 53k
- Os parafusos de cabeça hexagonal e ponta em forma de broca representam um ... A ponta curta com forma de broca permite furar até 1/18"(1,4mm) de ...
partsmasterfixacao.blogspot.com/2005/01/torq-tite-parafusos-auto-perfurantes.html - 20k
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Marcos Antonio Local time: 14:29 Native speaker of: Portuguese PRO pts in category: 178
The translation workplace 
peer agreement (net): +1
