Cleveland
Cleveland C96027 Spiral Point Tap 5/8-18 UNF Cobalt 3 Flutes
A cobalt spiral-point tap cuts 5/8-18 UNF threads with three flutes and a hard-lube coating
- Spiral-point design clears chips ahead for faster through-hole tapping
- Cobalt steel with Hard Lube coating resists wear in tough alloys
- 5/8-18 UNF thread size matches standard fine-pitch applications
- Three flutes balance strength and chip space for reliable cuts
- 2B class of fit ensures consistent, accurate threads
Spiral Point Tap 5/8-18 UNF
The Cleveland C96027 is a spiral point tap designed for creating 5/8 inch -18 UNF threads in through-hole applications. Made from cobalt with a Hard Lube coating, it offers durability for machine threading operations. The tool features three flutes and a right-hand thread direction suitable for standard fastener threads.
Build integration and chip clearance
The spiral point design pushes chips ahead of the tap, clearing the flutes and reducing the risk of binding in through holes. Its 2 3/32 inch thread length and 4 21/64 inch overall length fit standard tool holders and tapping heads. The 75 percent thread drill size of 14.50 mm guides the required pilot hole preparation.
Upgrade from standard taps
This cobalt tap replaces general-purpose high-speed steel taps when longer tool life is needed in tougher materials. The Hard Lube coating reduces friction and extends service intervals compared to uncoated alternatives. The jump is worth it for shops threading stainless or high-strength alloys where standard taps wear quickly.
Highlights
- Spiral-point design clears chips ahead for faster through-hole tapping
- Cobalt steel with Hard Lube coating resists wear in tough alloys
- 5/8-18 UNF thread size matches standard fine-pitch applications
- Three flutes balance strength and chip space for reliable cuts
- 2B class of fit ensures consistent, accurate threads
Specifications
| Brand | CLEVELAND |
|---|
Questions about this item
How deep can the 5/8-18 UNF threads be cut with the 2 3/32 in thread length before the tap bottoms out?
The tap cuts threads up to 2 3/32 inches deep; beyond that the shank contacts the workpiece and stops further advance.
Does the cobalt construction with Hard Lube coating keep the tap cool during extended production runs?
Cobalt steel resists heat buildup and the Hard Lube coating reduces friction, so the tap runs cooler and lasts longer in all-day tapping.
What size drill bit must I have on hand to prepare the 75 percent thread hole for this 5/8-18 UNF tap?
A 14.50 mm drill bit is required to produce the correct 75 percent thread engagement before tapping.
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