Alfa Tools General Product Catalog

1/4" Reduced Shank Drills High-Speed Steel

Economy Length 118 O Point Black Oxide Finish

Jobber Length 118 O Point Black Oxide Finish

• Increased strength and rigidity due to short flute length

• Expands the size capacity of a 1/4" portable drill chuck

FRACTIONAL

FRACTIONAL

ECO PRO STOCK # RS51801 RS51803 RS51805 RS51807 RS51809 RS51811 RS51813 RS51815 RS51817 RS51819 RS51821 RS51823 RS51825 RS51827 RS51829 RS51831

ALFA USA STOCK # RS51807A RS51815A RS51823A RS51831A

DECIMAL

FLUTE

OVERALL LENGTH

DECIMAL

FLUTE

OVERALL LENGTH

SIZE

SIZE

EQUIV.

LENGTH

EQUIV.

LENGTH

2656 2812 2969 3125 3281 3438 3594 3750 3906 4062 4219 4375 4531 4688 4844 5000

2-7/8 2-15/16 3-1/16 3-3/16 3-5/16 3-7/16 3-1/2 3-5/8 3-3/4 3-7/8 3-15/16 4-1/16 4-3/16 4-5/16 4-3/8 4-1/2

4-1/8 4-1/4 4-3/8 4-1/2 4-5/8 4-3/4 4-7/8 5-1/8 5-1/4 5-3/8 5-1/2 5-5/8 5-3/4 5-7/8 5

3125 3750 4375 5000

2-1/2 2-1/2 2-1/2 2-1/2

4 4 4 4

17/64

5/16

9/32

3/8

19/64

7/16

5/16

1/2

21/64 11/32 23/64

6 per envelope

Intermediate Length 118 O Split Point Bright Finish

• Flute length is approximately 20% shorter than jobber length, providing increased strength and rigidity

3/8

25/64

13/32 27/64

7/16

29/64 15/32 31/64

FRACTIONAL

ALFA USA STOCK # RS51835 RS51836 RS51837 RS51838

6

DECIMAL

FLUTE

OVERALL LENGTH

1/2

SIZE

Reduced Shank

EQUIV.

LENGTH

17/64" to 5/16", 12 per envelope, 21/64" to 1/2", 6 per envelope

3125 3750 4375 5000

2-1/2 2-7/8 3-3/8 3-5/8

3-13/16 4-1/4 4-11/16 5-1/16

5/16

3/8

SET 29 Pc. Drill Set 1/16" - 1/2" by 64ths RS250187

A

7/16

1/2

6 per envelope

Blitz Bits® - 3/8" Reduced Shank Drills

Engineered for heavy duty work, BLITZ BITS ® are high performance drills for production as well as tough maintenance applications

Premium High-Speed Steel

Premium High-Speed Steel

Mechanic’s Length 135 O Split Point, 3 Flats On Shank Black Oxide & Gold Finish

Jobber Length 135 O Split Point Black Oxide & Gold Finish

FRACTIONAL

FRACTIONAL

ALFA USA STOCK # BBRS74122 BBRS74123 BBRS74124 BBRS74125 BBRS74126 BBRS74127 BBRS74128 BBRS74129

ALFA USA STOCK #

DECIMAL

FLUTE

OVERALL LENGTH

DECIMAL

FLUTE

OVERALL LENGTH

SIZE

SIZE

EQUIV.

LENGTH

EQUIV.

LENGTH

3906 4062 4219 4375 4531 4688 4844 5000

3-3/4 3-7/8

5-1/8 5-1/4 5-3/8 5-1/2 5-5/8 5-3/4 5-7/8

4219 4375 4531 4688 4844 5000

2-7/8 2-15/16

4-7/16 4-1/2 4-5/8 4-3/4 4-7/8

BBML74224R BBML74225R BBML74226R BBML74227R BBML74228R BBML74229R

25/64 13/32 27/64 29/64 15/32 31/64 7/16

27/64

7/16

3-15/16 4-1/16 4-3/16 4-5/16 4-3/8 4-1/2

3

29/64 15/32 31/64

3-1/8 3-1/4 3-3/8

5

1/2

6 per envelope, Note: 25/64" and 13/32" fit into a 3/8" capacity chuck.

6

1/2

6 per envelope

These items are available carded See price list for details

SETS

SETS

ALFA USA STOCK #

ALFA USA STOCK #

QTY.

SIZES

QTY.

SIZES

1/16" - 1/2" by 32nds 1/16" - 1/2" by 64ths

BBRS74193

15 Pc.

1/16" - 1/2" by 32nds 1/16" - 1/2" by 64ths

BBML74293R BBML74290R

15 Pc.

BB74186

29 Pc.

29 Pc.

A-40

See page A80 for 29 Pc. Drill Mug Set