Products for bench top machinists | LittleMachineShop.com

中心鑽,鈷鋼,個別尺寸

中心鑽,鈷鋼,個別尺寸 - Main image
$1.95 $2.95 In stock

複合式鑽頭與埋頭鑽,通常稱為中心鑽,用於在工件上產生中心孔,以便在頂尖間進行車削。
中心鑽也可用於起始鑽孔。由於其剛性極高,不易產生偏移。

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何時寄出

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Standard Shipping: 訂單處理(工作天) 0–1; 運送(工作天) 7–15.

Express Shipping: 訂單處理(工作天) 0–1; 運送(工作天) 7–15.

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配送費用

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Standard Shipping · 美國: US$0.00

Express Shipping · 美國: US$3.99

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美國 · 退貨期限(簽收後天數): 30. 退貨方式: 郵寄退貨. 退貨運費: 賣家承擔.

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Customer Reviews (4.8 / 5 · 5 reviews)

Alexander ★★★★★

Finally, cobalt center drills that actually hold an edge. Using them to start precise holes in stainless steel has been a breeze, and the 60-degree countersink is perfectly ground.

Olivia M. ★★★★★

Finally got these center drills in individual sizes, and the combined drill and countersink design saves me a setup step at the lathe. The cobalt finish seems to glide through hard maple with very little chatter.

Edward S. ★★★★★

I needed a center drill that could handle hardened steel, and the cobalt material really holds up—no chipping after a dozen uses. The 60-degree countersink leaves a clean chamfer every time.