Standard Cobalt Jobber Length (Drill Blanks stocked in inch sizes

Standard Cobalt Jobber Drill Blanks

WHEN YOU NEED EXTRA HARDNESS & ABRASION RESISTANCE

Cobalt is used in applications where friction and heat wear out general purpose HSS quickly. Cobalt improves normal and hot hardness. High speed tools made with the material last longer. Vermont Gage manufacturers a standard line of Cobalt Drill Blanks. Each Cobalt Blank is heat treated to 65/68 Rc and precision ground to standard fractional inch sizes. When looking for heavy duty abrasion resistant tool blanks, look no further, specify Vermont Gage Cobalt Blanks.

• Drill Blank tolerances: up to .5000" (-.0002") from .5001" to .6250" (-.0003") form .6251" to 1.0000" (-.0005") • Fractional Inch sizes up to 1.0000" • Cobalt High Speed Tool Steel; 65/68 Rc • Jobber lengths • 10 microinch finish or better • Marked with size • Package quantities: up to .1250" - 12 pcs. per package from .1251" to .3750" – 6 pcs. per package from .3751" to 6250" – 3 pcs. per package from .6251" up – packaged individually

Size Decimal Jobber Order No. Price Length Each 1/64" .0156" 3/4" 531101560 $5.25 1/32" .0312" 1 3/8" 531101320 $5.25 3/64" .0468" 1 3/4" 531104680 $5.25 1/16'' .0625'' 1 7/8'' 531106250 $3.85 5/64'' .0781'' 2'' 531107810 $3.85 3/32'' .0937'' 2 1/4'' 531109370 $3.85 7/64'' .1094'' 2 5/8'' 531110940 $3.85 1/8'' .1250'' 2 3/4'' 531112500 $3.85 9/64'' .1406'' 2 7/8'' 531114060 $3.85 5/32'' .1562'' 3 1/8'' 531115620 $4.90 11/64'' .1719'' 3 1/4'' 531117190 $4.90 3/16'' .1875'' 3 1/2'' 531118750 $4.90 13/64'' .2031'' 3 5/8'' 531120310 $6.45 7/32'' .2187'' 3 3/4'' 531121870 $6.75 15/64'' .2344'' 3 7/8'' 531123440 $6.75 1/4'' .2500'' 4'' 531125000 $7.70 9/32'' .2812'' 4 1/4'' 531128120 $8.75 5/16'' .3125'' 4 1/2'' 531131250 $10.30 11/32'' .3438'' 4 3/4'' 531134380 $12.25 3/8'' .3750'' 5'' 531137500 $14.55 13/32'' .4062'' 5 1/4'' 531140620 $16.30 7/16'' .4375'' 5 1/2'' 531143750 $20.90 15/32'' .4688'' 5 3/4'' 531146880 $21.50 1/2'' .5000'' 6'' 531150000 $26.00 9/16'' .5625'' 6'' 531156250 $38.25 5/8'' .6250'' 6'' 531162500 $43.25 11/16'' .6875'' 6'' 531168750 $55.00 3/4'' .7500'' 6'' 531175000 $58.25 13/16'' .8125'' 6'' 531181250 $66.50 7/8'' .8750'' 6'' 531187500 $78.25 15/16'' .9375'' 6'' 531193750 $89.75 1'' 1.0000'' 6'' 531100000 $101.25