<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31348646</termId><termName>countersink bits</termName><termType>PT</termType><termNote><![CDATA[ Bits used to cut a conical depression for recessing the head of a bolt, nut, or screw, so that it is flush with the surface. ]]></termNote><termCreatedDate>2026-03-30 20:34:04</termCreatedDate><relation><relationType>UF</relationType><termId>31348647</termId><termName>bit, countersink</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31348648</termId><termName>bits, countersink</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31348649</termId><termName>countersink bit</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31348650</termId><termName>countersinking bits</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31322833</termId><termName>bits</termName><termType>PT</termType></relation></term>  </Zthes>