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Silver drill bit with black oxide finish 21/32 inch high speed steel 118 degree point angle

Westward

Westward 4UM68 21/32 in 118° HSS pneumatic accessory

SKU CH-MG6B-HRRM6 MPN 4UM68

High-speed steel drill bit with a 118-degree point angle for general-purpose drilling

  • TypeDrill Accessories
  • MaterialHigh speed steel
  • High-speed steel construction resists wear during drilling
  • 21/32 inch diameter suits large-hole applications
  • 118-degree point angle starts cleanly on metal surfaces
  • Black oxide finish reduces friction and corrosion
  • Reduced shank fits standard drill chucks securely

Drill Bit Size and Material

This Westward accessory is a Silver and Deming drill bit made from high speed steel with a black oxide finish. It has a reduced shank and a drill bit size of 21/32 in. The point angle measures 118 degrees for general-purpose drilling tasks. Model number 4UM68 identifies this specific power tool accessory.

Suitable Applications and Limitations

This bit suits users drilling large-diameter holes in metal where a 21/32 in size is required and a reduced shank fits the chuck. Buyers needing a different diameter, a standard shank, or a split point for self-centering should look at other options. The high speed steel construction handles typical machining but is not designed for hardened steel or abrasive non-metallic materials.

Critical Specification: 21/32 Inch Diameter

The 21/32 in drill bit size is the single specification that determines whether this is the correct part for the hole you must produce. Verify the required hole diameter against this measurement before purchase. An incorrect size cannot be corrected by the reduced shank or the 118 degree point angle.

Highlights

  • High-speed steel construction resists wear during drilling
  • 21/32 inch diameter suits large-hole applications
  • 118-degree point angle starts cleanly on metal surfaces
  • Black oxide finish reduces friction and corrosion
  • Reduced shank fits standard drill chucks securely

Specifications

BrandWestward
Model4UM68
TypeDrill Accessories
MaterialHigh speed steel

Questions about this item

How do I fit the 21/32 in reduced shank into my drill chuck?

Open the chuck fully, insert the reduced shank until it seats, then tighten evenly; the step most people miss is centring the bit before the final lock.

When will the 118° HSS tip need replacement?

Replace when the point no longer self-centres or produces discoloured chips; black oxide finish wears first, then the cutting edges dull.

What limits continuous drilling with this bit?

Heat buildup in the high speed steel is the first limit; pause to let the bit cool and clear swarf to avoid temper loss.

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