Gun Drill Special Pricing

Sterling Gun Drills single flute gun drills are standard with the R-1 “Lowland” Contour and N-8 "facet" nose grind.strong> Standard gun drills are fitted with “inch” drivers to USA industry standards.

Special Diameters

No additional cost for special diameter drills manufactured to our standard 4 week delivery. Price at the next larger standard diameter drill.strong> Special diameter drills manufactured on a "rush" delivery add $20 to .750" dia., $30 to 1.125" dia., and $40 to 1.625" dia. per drill. Allow 7 working days for manufacture.

Special Lengths

No additional cost for special length drills within the standard length range for the diameter manufactured at our standard 4 week delivery. Price at the next longer standard length drill of that diameter. Special length drills manufactured on a "rush" adds $20 to .750" dia., $30 to 1.125" dia., and $40 to 1.625" dia. per drill. Allow 7 working days for manufacture.

Lengths beyond 48" or the longest standard length for that diameter: Price at the next longer standard length for the diameter. Confirm extra length shanks are available. Standard manufacture is 4 weeks, "rush" manufacture adds $20 to .750" dia., $30 to 1.125" dia., and $40 to 1.625" dia. per drill. Allow 7 working days.

Example, extra length gun drills beyond 48" in 12" increments:
To .500" diameter add $12.00 up to 60", add $24.00 up to 72", etc.
To 1.000" diameter add $18.00 up to 60", add $36.00 up to 72", etc.
To 1.625" diameter add $24.00 up to 60", add $48.00 up to 72", etc.

Only one "rush" charge applies for special diameter and/or length gun drills.

Special Drivers

Non-standard inch or metric drivers are available at no extra charge on our standard 4 week delivery. Drivers with unusual diameters, length, threads, flats, grooves, or undercuts are subject to quote. Inserted Drivers: Drivers smaller than standard may have to be "inserted".


Inserted drivers must be machined to fit inside the tube rather than over it. The effective drill depth with an inserted driver is reduced by 1" to 3". Inserted drivers on standard or "rush" manufacture add $20.00 per drill to .750" dia., $30 to 1.125" dia., and $40 to 1.625" dia. per drill. See "non-standard gun drill driver price guidelines" Issue 01/17

Other Special Features

Tip coatings, TiN, TiCN, TiAlN, CrC, others are subject to quote and have length restrictions. Nose grind, (N-4, N-13, N-73) or semi-custom nose grinds: No additional cost on standard or "rush" delivery. Non-standard Contours, R2, R3, R4. No additional cost on "standard" or "rush" manufacture. Ball nose, Step drill and other special grinds subject to quote. Length or driver conversions od standard drills are subject to quote.

Re-Sharpening: One to two day turnaround.

One to two day turnaround.

Pricing for standard nose grinds without major chips. Drills with large chips are subject to quote.

Min. up to .3125" diameter: $15.00 each   1.001" to 1.375" diameter: $30.00 each
.3126" to .6250" diameter: $20.00 each   1.376" up 1.625" diameter: $40.00 each
.6251" to 1.000" diameter: $25.00 each   Larger diameters Quote