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Prohelix Drill Bits for Metal

The Type of Drill Bit You Want to Use for Metal

 

Manufactured in the USA according to National Aerospace Specification 907 standards, Prohelix exclusive, professional-grade quality drill bits provide the robustness required by auto mechanics for heavy-duty piercing. Prohelix drill bits can drill through hard metals like Boron steel with great precision and deliver a higher resistance to friction than most options available on the market. Prohelix drill bits simply outperform the competition.

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Why Prohelix are the Best Drills for Metal

 

Cobalt, titanium or gold oxide coatings
Have self-lubricating properties which reduce resistance for a smoother finish.

135° self-centering split point tip
Offers more bite and accurate starting without the need for a center punch.

Resists up to 58 Rockwell-C hardness
Capable of drilling heavy-duty Boron steel of vehicle chassis.

Jobber length drill bits
Made longer for more flex and less breakage.

3-flat shank
Prevents bit from slipping.

What are the best drill bits for auto mechanic jobs?

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Removing
Broken Studs

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Rust
Treatment

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Removing
Spot-Welds

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Quick
Jobs

Our selection of Drill Bits

Alloy 135° Drills
Drill Bits
Item (Unit) Item (QTY per pack) Diameter (in) Overall length (in)
PRO-09201 (QTY 12) 1/16 1-7/8
PRO-09211 (QTY 12) 5/64 2
PRO-09221 (QTY 12) 3/32 2-1/4
PRO-09231 (QTY 12) 7/64 2-5/8
PRO-09241 (QTY 12) 1/8 2-3/4
PRO-09251 (QTY 12) 9/64 2-7/8
PRO-092611 PRO-09261 (QTY 12) 5/32 3-1/8
PRO-09271 (QTY 12) 11/64 3-1/4
PRO-09282 (QTY 12) 3/16 3-1/2
PRO-092921 PRO-09292 (QTY 12) 13/64 3-5/8
PRO-093021 PRO-09302 (QTY 12) 7/32 3-3/4
PRO-09312 (QTY 12) 15/64 3-7/8
PRO-093211 PRO-09321 (QTY 12) 1/4 4
PRO-093311 PRO-09331 (QTY 12) 17/64 4-1/8
PRO-093411 PRO-09341 (QTY 12) 9/32 4-1/4
PRO-093511 PRO-09351 (QTY 6) 19/64 4-3/8
PRO-09361 (QTY 6) 5/16 4-1/2
PRO-093711 PRO-09371 (QTY 6) 21/64 4-5/8
PRO-093811 PRO-09381 (QTY 6) 11/32 4-3/4
PRO-093911 PRO-09391 (QTY 6) 23/64 4-7/8
PRO-09401 (QTY 6) 3/8 5
PRO-09411 (QTY 6) 25/64 5-1/8
PRO-09421 (QTY 6) 13/32 5-1/4
PRO-094311 PRO-09431 (QTY 6) 27/64 5-3/8
PRO-09441 (QTY 6) 7/16 5-1/2
PRO-094511 PRO-09451 (QTY 6) 29/64 5-5/8
PRO-09461 (QTY 6) 15/32 5-3/4
PRO-094711 PRO-09471 (QTY 6) 31/64 5-7/8
PRO-09481 (QTY 6) 1/2 6
Drill Set
Item QTY per pack Diameter
PRO-46912 15 1/16 – 1/2 x 1/32
PRO-46922 21 1/16 – 3/8 x 1/64
PRO-58660 25 1.0mm – 13.0mm x .5mm
PRO-46932 29 1/16 – 1/2 x 1/64
PRO-93840 115 1/16 – 1/2 x 1/64 + A-Z & 1-60
 Reduced Shank Drill Bits
Item Diameter (in) Item Diameter (in)
PRO-29550 33/64 PRO-29770 55/64
PRO-29560 17/32 PRO-29780 7/8
PRO-29570 35/64 PRO-29790 57/64
PRO-29580 9/16 PRO-29800 29/32
PRO-29590 37/64 PRO-29810 59/64
PRO-29600 19/32 PRO-29820 15/16
PRO-29610 29/64 PRO-29830 61/64
PRO-29620 5/8 PRO-29840 31/32
PRO-29630 41/64 PRO-29850 63/64
PRO-29640 21/32 PRO-29860 1
PRO-29650 43/64 PRO-29870 1-1/32
PRO-29660 11/16 PRO-29880 1-1/16
PRO-29670 45/64 PRO-29890 1-3/32
PRO-29680 23/32 PRO-29900 1-1/8
PRO-29690 47/64 PRO-29910 1-5/32
PRO-29700 3/4 PRO-29920 1-3/16
PRO-29710 49/64 PRO-29930 1-7/32
PRO-29720 25/32 PRO-29940 1-1/4
PRO-29730 51/64 PRO-29950 1-5/16
PRO-29740 13/16 PRO-29960 1-3/8
PRO-29750 53/64 PRO-29970 1-7/16
PRO-29760 27/32 PRO-29980 1-1/2
Reduced Shank Drill Set
Item QTY per pack Diameter
PRO-92400 8 9/16 – 1 x 1/16
Drill Cabinet

PRO-45010

12″L x 14″P x 14″H – 29 clearly identified dividers for jobber length drill bits from 1/16 to 1/2.

Left Hand Alloy 135° Drills
Drill Bits
Item Diameter (in) Item Diameter (in)
PRO-92430 1/16 PRO-92442 11/64
PRO-23150 5/64 PRO-92450 3/16
PRO-89290 3/32 PRO-92443 13/64
PRO-23160 7/64 PRO-92444 7/32
PRO-92440 1/8 PRO-92451 15/64
PRO-92441 9/64 PRO-92460 1/4
PRO-23170 5/32 PRO-92452 17/64
PRO-23180 19/64 PRO-92482 13/32
PRO-92470 4/16 PRO-92483 27/64
PRO-92471 21/64 PRO-92490 7/16
PRO-92472 11/32 PRO-92491 29/64
PRO-92473 23/64 PRO-92492 15/32
PRO-92480 3/8 PRO-92493 31/64
PRO-92481 25/64 PRO-92500 1/2
Drill Set
Item QTY per pack Diameter (in)
PRO-87650 8 1/16 – 1/2 x 1/16
PRO-87651 12 1/16 – 5/16 x 1/32, 3/8, 7/16, 1/2
Super Premium Reamers
Drill Bits
Item Diameter (in) Point diameter (in) Overall length (in) Shank diameter (in)
PRO-06381 5/16 0.215 4-5/8 5/16
PRO-06391 3/8 0.250 4-5/8 3/8
PRO-06501 7/16 0.250 5-7/8 7/16
PRO-06411 9/16 0.343 5-7/8 1/2
PRO-06421 5/8 0.343 6-3/8 1/2
PRO-06432 0.652 0.375 6-3/8 1/2
PRO-06431 11/16 0.375 6-3/8 1/2
PRO-06441 3/4 0.406 6-7/8 1/2
PRO-06531 0.776 0.406 6-7/8 1/2
PRO-06551 13/16 0.468 6-7/8 1/2
PRO-06561 7/8 1/2 6-7/8 1/2
PRO-06471 15/16 0.585 6-7/8 1/2
PRO-06481 1 0.594 6-7/8 1/2
PRO-06491 1-1/16 0.807 6-7/8 1/2
PRO-06482 1-1/4 0.719 6-7/8 1/2
Drill Set
Item QTY per pack Diameter (in)
PRO-12271 12 1/16 – 5/16 x 1/32, 3/8, 7/16, 1/2
Spot-Weld Drills
Drill Bits
Item Diameter (mm) Overall length (in)
PRO-37660 6.5 3-5/8
PRO-37470 8.0 1-3/4
PRO-37670 8.0 3-5/8
Drill Set
Item QTY per pack Description
PRO-35010 6 Type 186: 6.5mm, 8.0mm & 10.0mm single-end (length of 1-3/4″) & 6.5mm, 8.0mm & 10.0mm twin end.
PRO-35050 4 Type 187: 8.0mm & 10.0mm single-end & twin-end.
Twin End Drills
Factional
Item Diameter (in) Overall length (in) Flute length (in)
PRO-95090 3/32 1-3/4 9/16
PRO-95080 7/64 1-15/16 5/8
PRO-95980 1/8 1-15/16 5/8
PRO-95070 9/64 2 5/8
PRO-95060 5/32 2-1/8 5/8
PRO-95050 3/16 2-5/16 5/8
PRO-95040 7/32 2-9/16 3/4
PRO-95030 1/4 2-5/8 13/16
Wire
Item Diameter Overall length (in) Flute length (in)
PRO-95020 10 2-5/16 5/8
PRO-95010 11 2-5/16 5/8
PRO-95000 20 2-1/8 5/8
PRO-94990 30 2 5/8
Spiral Point Taps
Drill Bits
Item Dimensions Item Dimensions
PRO-20010 1/4 – 20A PRO-44300 4 – 40
PRO-20020 1/4 – 28A PRO-44310 6 – 32
PRO-20030 5/16 – 18A PRO-44320 6 – 40
PRO-20040 5/16 – 24A PRO-44330 8 – 32A
PRO-20050 3/8 -16 PRO-44340 8 – 36A
PRO-20060 3/8 – 24 PRO-44350 10 – 24A
PRO-20100 7/16 – 14 PRO-44360 10 – 32A
PRO-20110 7/16 – 20 PRO-44370 12 – 24A
PRO-20120 1/2 – 13 PRO-44380 12 – 28A

 

Step Drills
Drill Bits
Item Hole size (in) Shank size (in) Range (in)
PRO-00700 1/8 – 1/2 1/4 13
PRO-00701 3/16 – 1/2 1/4 6
PRO-00702 3/16 – 7/8 3/8 12
PRO-00703 1/4 – 3/4 3/8 9
PRO-00704 9/16 – 1 3/8 8
Drill Set
Item QTY per pack Diameter (in)
PRO-00721 3 1/8 – 1/2, 3/16 – 1/2, 3/16 – 7/8
Small Diameter Drills
Item Diameter (in) Overall length (in) Flute length (in)
PRO-02750 1/64 3/4 3/16
PRO-02760 1/32 1-3/8 1/2
PRO-02770 3/64 1-3/4 3/4
Various Set
Item QTY per pack Description
PRO-57580 18 Tap and Drill Set
PRO-88550 8 Left Hand Drill Bolt Extractor Set
PRO-58510 10 Left Hand Drill Bolt Extractor Set

Have everything in hand to finish the job!

 

Prohelix highly recommends always lubricating drill bits before use.

Drilling and tapping Wax: PRO-T011

Transit provides simple solutions

 

Sales tools to help you market Prohelix products.

 

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