{"id":7436,"date":"2026-03-06T05:44:00","date_gmt":"2026-03-06T05:44:00","guid":{"rendered":"http:\/\/www.shandongruiying.com\/?post_type=product&#038;p=7436"},"modified":"2026-03-06T05:45:09","modified_gmt":"2026-03-06T05:45:09","slug":"down-the-hole-drill-bit","status":"publish","type":"product","link":"https:\/\/www.shandongruiying.com\/vi\/product\/down-the-hole-drill-bit\/","title":{"rendered":"M\u0169i khoan l\u1ed7 s\u00e2u"},"content":{"rendered":"<p>140mm-DHD350 high wind pressure down-the-hole bit<\/p>\n<p><img alt=\"\" fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-7441\" src=\"http:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72471-4.png\" width=\"332\" height=\"246\" srcset=\"https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72471-4.png 332w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72471-4-300x222.png 300w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72471-4-16x12.png 16w\" sizes=\"(max-width: 332px) 100vw, 332px\" \/><\/p>\n<p>76mm-CIR70&#8212;-Low wind pressure submersible drill bit<\/p>\n<p><img alt=\"\" decoding=\"async\" class=\"alignnone size-full wp-image-7442\" src=\"http:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72472-3.png\" width=\"326\" height=\"281\" srcset=\"https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72472-3.png 326w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72472-3-300x259.png 300w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72472-3-14x12.png 14w\" sizes=\"(max-width: 326px) 100vw, 326px\" \/><\/p>\n<p>Our company offers a variety of other specifications that are suitable for the use of various drill pipes. We can also customize according to customer requirements.<\/p>\n<h5>Application<\/h5>\n<p>The down-the-hole drill bit is used for rock drilling in open-pit or underground operations, such as mining and tunneling, achieving efficient rock breaking through the down-the-hole impactor. It is suitable for medium-hard to hard rock formations.<\/p>\n<p><img alt=\"\" decoding=\"async\" class=\"alignnone size-full wp-image-7443\" src=\"http:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72473-1.png\" width=\"311\" height=\"466\" srcset=\"https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72473-1.png 311w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72473-1-200x300.png 200w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72473-1-8x12.png 8w\" sizes=\"(max-width: 311px) 100vw, 311px\" \/><\/p>\n<p><img alt=\"\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7444\" src=\"http:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72474-1.png\" width=\"904\" height=\"588\" srcset=\"https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72474-1.png 904w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72474-1-300x195.png 300w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72474-1-768x500.png 768w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72474-1-18x12.png 18w, https:\/\/www.shandongruiying.com\/wp-content\/uploads\/2026\/03\/WPS\u56fe\u72474-1-600x390.png 600w\" sizes=\"(max-width: 904px) 100vw, 904px\" \/><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Our company offers a variety of other specifications that are suitable for the use of various drill pipes. We can also customize according to customer requirements.<\/p>","protected":false},"featured_media":7439,"template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Down-the-Hole Drill Bit | High Efficiency Rock Drilling Bit for Mining & Tunneling","_seopress_titles_desc":"Down-the-hole (DTH) drill bit is designed for efficient rock drilling in open-pit and underground operations. Suitable for medium-hard to hard rock formations, it delivers high performance and precise rock breaking through DTH impactors, ideal for mining, tunneling, and construction projects.","_seopress_robots_index":"","_seopress_analysis_target_kw":"down-the-hole drill bit,DTH drill bit,rock drilling bit,mining drill bit,tunneling drill bit,hard rock drill bit,efficient rock drilling,DTH drilling tools,underground drilling bit,open-pit drill bit","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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Ruiying Import and Export Trading Co., Ltd.","author_link":"https:\/\/www.shandongruiying.com\/vi\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"Our company offers a variety of other specifications that are suitable for the use of various drill pipes. We can also customize according to customer requirements.","_links":{"self":[{"href":"https:\/\/www.shandongruiying.com\/vi\/wp-json\/wp\/v2\/product\/7436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shandongruiying.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.shandongruiying.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.shandongruiying.com\/vi\/wp-json\/wp\/v2\/media\/7439"}],"wp:attachment":[{"href":"https:\/\/www.shandongruiying.com\/vi\/wp-json\/wp\/v2\/media?parent=7436"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.shandongruiying.com\/vi\/wp-json\/wp\/v2\/product_brand?post=7436"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.shandongruiying.com\/vi\/wp-json\/wp\/v2\/product_cat?post=7436"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.shandongruiying.com\/vi\/wp-json\/wp\/v2\/product_tag?post=7436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}