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Ohio Drill & Tool Company is a major manufacturer of Vent Drills. Vent Drills listed are manufactured and stocked by Ohio Drill & Tool Company for the tire-making industry. Vent Drills are normally Fast Spiral, designed to drill aluminum tire molds. Our Vent Drills are manufactured using top quality M-2 High Speed Steel in many overall lengths and flute combinations per customer requirements.  We also manufacture Vent Drills in regular and parabolic flute for drilling steel molds. 

Fractional Sizes
catalog page: 30
SizePart NumberDecimal EquivalentOverall & Flute Length
3/64434033.04693" X 2"
1/16434042.06253" X 2"
1/16434044.06254" X 3"
1/16434045.06254-1/2" X 3"
1/16434046.06256" X 4"
1/16434048.06258" X 4"
3/32434062.09384-1/2" X 3"
3/32434064.09386" X 4"
3/32434068.09388" X 4"
3/32434069.09388" X 6"
Metric Sizes
catalog page: 30
SizePart NumberDecimal EquivalentOverall & Flute Length
.55S504021J.021738mm X 19mm
.70S504027B.027670mm X 35mm
.80S504031C.031575mm X 50mm
.80S504031G.031550mm X 25mm
1.00S504039W.039475mm X 50mm
1.20S504047X.047275mm X 50mm
1.60S504062V.0630100mm X 75mm
1.60S504062W.0630150mm X 100mm
1.60S504062Z.0630200mm X 100mm
2.00S504078B.0787150mm X 100mm
Wire Gauge Sizes
catalog page: 30
SizePart NumberDecimal EquivalentOverall & Flute Length
#54435546.05506" X 4"
#55435554.05204" X 3"
#55435556.05206" X 4"
#57435572.04303" X 2"
#57435573.04303-1/2" X 2-1/2"
#57435574.04304" X 3"
#57435575.04304-1/2" X 3"
#57435576.04306" X 3"
#60435603.04003" X 2"
#69435692.02922" X 1"
#69435693.02923" X 2"
#70435702.02802" X 1"
#74435741.02251" X 5/8"
#74435742.02252" X 5/8"
#74435744.02252" X 1"
#74435746.02253" X 1"
#72S502872D.02502" X 1"
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