Sherline Pair Carbide Insert Holder 55 Degree (1 Left and Right Pair) 2258


Sherline Pair Carbide Insert Holder 55 Degree (1 Left and Right Pair) 2258

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Sherline Pair Carbide Insert Holder 55 Degree (1 Left and Right Pair) 2258

Pair Carbide Insert Holder

Sherline now manufactures its own inserted tip carbide tool holders. They are available individually as a right-hand holder (P/N 2256) or a left-hand holder (P/N 2257). The pair of RH and LH is P/N 2258. Each comes with a P/N 7605 55° carbide insert, hold-down screw and special Torx key. The 3/8″ square shank holds the P/N 7600 tool post. The 35° offset angle of the tip makes it easier to accomplish certain cuts. For example, by using the tool holder square with the crosslide, you can turn an O.D. up to a shoulder and then finish the shoulder by backing the tool out while still maintaining the proper tool clearance.

The tip of the cutting tool is .375″ from the bottom of the holder, which is the industry standard. The holders are made from case hardened steel with a black oxide finish. Though relatively expensive, if a cutting edge becomes dull or chipped, the insert can be removed and rotated 180° to expose two new cutting surfaces, providing, in effect, two tools for the price of one.

Carbide Tools

The primary method of cutting metal on miniature machine tools is usually with high speed steel tools. They are inexpensive, you can easily make them sharp and they can be ground into “form” tools for special jobs. However, inserted tip carbide tools can be lifesavers for some jobs. Though more expensive, you cannot resharpen these tools. Carbide tools hold their cutting edge when cutting exotic metals or abrasive materials and can speed up the cutting process. This is why they are useful for most cutting tasks in the modern professional machine shop. Replacement carbide tips are available as P/N 7605. (See “Cutting Tools” section to order replacement carbide tips.)

NOTE: A tools name is by the direction from which the chip leaves the tool. A right-hand tool has its cutting edge on the left and the chip peels off to the right.

Additional information

Weight 0.50 lbs
Dimensions 6 × 6 × 6 in

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