{"id":11108,"date":"2025-11-11T14:30:50","date_gmt":"2025-11-11T11:00:50","guid":{"rendered":"https:\/\/almassanatabtin.com\/product\/drive-sub-dth-threaded-adapter-chuck-adapter\/"},"modified":"2025-12-28T12:38:53","modified_gmt":"2025-12-28T09:08:53","slug":"drive-sub-dth-threaded-adapter-chuck-adapter","status":"publish","type":"product","link":"https:\/\/almassanatabtin.com\/en\/shop\/pre-owned-tools-and-machinery\/drive-sub-dth-threaded-adapter-chuck-adapter\/","title":{"rendered":"Drive sub \u2013 DTH threaded adapter \u2013 Chuck adapter"},"content":{"rendered":"

The drive sub is a standard and key component in the DTH (Down The Hole) drilling system, installed between the drill rod and the DTH hammer, responsible for transmitting torque and impact force.
This product is known in the market by various names: drive sub, DTH threaded adapter, chuck adapter, or even power head.<\/strong><\/p>\n

Key Features<\/strong><\/h3>\n
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    Upper threaded connection to the drill rod or DTH hammer<\/p>\n<\/li>\n

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    Lower part for fitting into the hammer shaft or connecting to the retaining section<\/p>\n<\/li>\n

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    Side groove for a locking pin or spline to transmit torque<\/p>\n<\/li>\n

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    Material: hardened alloy steel (4140 or 4145 HT)<\/p>\n<\/li>\n

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    Suitable for all types of light, medium, and heavy DTH hammers<\/p>\n<\/li>\n<\/ul>\n

    Thread and Application Table<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n
    Upper Thread (Rod)<\/th>\nLower Thread (Hammer)<\/th>\nDTH Hammer Size<\/th>\nApplication<\/th>\n<\/tr>\n<\/thead>\n
    2\u215c” API REG<\/td>\n2\u215c” API REG<\/td>\n3″ \u062a\u0627 3\u00bd”<\/td>\n\u0627\u062a\u0635\u0627\u0644 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0631\u0627\u062f \u0648 \u0686\u06a9\u0634 \u0633\u0628\u06a9<\/td>\n<\/tr>\n
    2\u215c” API REG<\/td>\n3\u00bd” API REG<\/td>\n4″ \u062a\u0627 5″<\/td>\nConversion from light rod to medium hammer<\/td>\n<\/tr>\n
    3\u00bd” API REG<\/td>\n3\u00bd” API REG<\/td>\n5″ \u062a\u0627 6″<\/td>\nDirect connection of rod and heavy hammer<\/td>\n<\/tr>\n
    3\u00bd” API REG<\/td>\n4\u00bd” API REG<\/td>\n6″ \u062a\u0627 8″<\/td>\nConversion from medium rod to large hammer<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u26a0\ufe0f Note: Each adapter has one male (Pin) end and one female (Box) end. Threads are usually right-hand. <\/p>\n

    Applications of the Drive Sub <\/strong><\/h3>\n
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      Mining, tunneling, and construction projects<\/p>\n<\/li>\n

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      Allows the use of rods and hammers with different threads without replacing the entire assembly<\/p>\n<\/li>\n<\/ul>\n

      Technical Specifications<\/strong><\/h3>\n
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        Common Sizes: 2\u215c”, 3\u00bd”, 4\u00bd”, 6\u215d” <\/p>\n<\/li>\n

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        Compatible with various hammers: COP, DHD, QL, Mission, SD <\/p>\n<\/li>\n

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        Technical Notes: steel material, thread type, compatible hammers <\/p>\n<\/li>\n

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        Complete Thread and Adapter Table for Professionals<\/p>\n<\/li>\n<\/ul>\n

         <\/p>\n","protected":false},"excerpt":{"rendered":"

        The drive sub is a standard and key component in the DTH (Down The Hole) drilling system, installed between the<\/p>\n","protected":false},"featured_media":11011,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[227],"product_tag":[],"class_list":["post-11108","product","type-product","status-publish","has-post-thumbnail","product_cat-pre-owned-tools-and-machinery","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/almassanatabtin.com\/en\/wp-json\/wp\/v2\/product\/11108","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/almassanatabtin.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/almassanatabtin.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/almassanatabtin.com\/en\/wp-json\/wp\/v2\/comments?post=11108"}],"version-history":[{"count":0,"href":"https:\/\/almassanatabtin.com\/en\/wp-json\/wp\/v2\/product\/11108\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/almassanatabtin.com\/en\/wp-json\/wp\/v2\/media\/11011"}],"wp:attachment":[{"href":"https:\/\/almassanatabtin.com\/en\/wp-json\/wp\/v2\/media?parent=11108"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/almassanatabtin.com\/en\/wp-json\/wp\/v2\/product_brand?post=11108"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/almassanatabtin.com\/en\/wp-json\/wp\/v2\/product_cat?post=11108"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/almassanatabtin.com\/en\/wp-json\/wp\/v2\/product_tag?post=11108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}