<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31348651</termId><termName>spiral bits</termName><termType>PT</termType><termNote><![CDATA[ Boring bits that resemble twist drills in having two deep vertical grooves, but having a steeper cutting angle. ]]></termNote><termCreatedDate>2026-03-30 20:34:04</termCreatedDate><relation><relationType>UF</relationType><termId>31348652</termId><termName>bits, spiral</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31348653</termId><termName>spiral bit</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31322833</termId><termName>bits</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31307524</termId><termName>twist bits</termName><termType>PT</termType></relation></term>  </Zthes>