Cart 0

AT Aircraft Extension / Extra Length

Alfa Tools produces aircraft extension drills—also known as extra-length or long-series drills—crafted from high-speed steel (HSS) and designed with extended flutes and overall lengths for deep hole drilling in tight spaces, thick materials, and hard-to-access areas. Our comprehensive range includes Type B and Type J geometries in both 6-inch and 12-inch lengths, available in sizes from 3/64" to 1/2" diameter. These specialty drill bits are ideal for aerospace, automotive, industrial manufacturing, maintenance, and repair applications.

Alfa Tools AE60600 3/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

Alfa Tools AE60600 3/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

SKU: AT-AE60600
MPN: AE60600

Save $4.93
Alfa Tools AE60601 1/16 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

Alfa Tools AE60601 1/16 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

SKU: AT-AE60601
MPN: AE60601

Save $4.93
Alfa Tools AE60602 5/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

Alfa Tools AE60602 5/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

SKU: AT-AE60602
MPN: AE60602

Save $4.70
Alfa Tools AE60603 3/32 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

Alfa Tools AE60603 3/32 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

SKU: AT-AE60603
MPN: AE60603

Save $4.83
Alfa Tools AE60604 7/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

Alfa Tools AE60604 7/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

SKU: AT-AE60604
MPN: AE60604

Save $4.35
Alfa Tools AE60605 1/8 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

Alfa Tools AE60605 1/8 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

SKU: AT-AE60605
MPN: AE60605

Save $4.33
Alfa Tools AE60606 9/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

Alfa Tools AE60606 9/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

SKU: AT-AE60606
MPN: AE60606

Save $4.46
Alfa Tools AE60607 5/32 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

Alfa Tools AE60607 5/32 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

SKU: AT-AE60607
MPN: AE60607

Save $4.69
Alfa Tools AE60608 11/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

Alfa Tools AE60608 11/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

SKU: AT-AE60608
MPN: AE60608

Save $3.96
Alfa Tools AE60609 3/16 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

Alfa Tools AE60609 3/16 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

SKU: AT-AE60609
MPN: AE60609

Save $5.08
Alfa Tools AE60610 13/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

Alfa Tools AE60610 13/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

SKU: AT-AE60610
MPN: AE60610

Save $5.32
Alfa Tools AE60611 7/32 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

Alfa Tools AE60611 7/32 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

SKU: AT-AE60611
MPN: AE60611

Save $5.32
Alfa Tools AE60612 15/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

Alfa Tools AE60612 15/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

SKU: AT-AE60612
MPN: AE60612

Save $5.61
Alfa Tools AE60613 1/4 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

Alfa Tools AE60613 1/4 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 12

SKU: AT-AE60613
MPN: AE60613

Save $5.77
Alfa Tools AE60614 17/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

Alfa Tools AE60614 17/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

SKU: AT-AE60614
MPN: AE60614

Save $6.64
Alfa Tools AE60615 9/32 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

Alfa Tools AE60615 9/32 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

SKU: AT-AE60615
MPN: AE60615

Save $7.14
Alfa Tools AE60616 19/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

Alfa Tools AE60616 19/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

SKU: AT-AE60616
MPN: AE60616

Save $7.72
Alfa Tools AE60617 5/16 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

Alfa Tools AE60617 5/16 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

SKU: AT-AE60617
MPN: AE60617

Save $8.53
Alfa Tools AE60618 21/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

Alfa Tools AE60618 21/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

SKU: AT-AE60618
MPN: AE60618

Save $9.45
Alfa Tools AE60619 11/32 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

Alfa Tools AE60619 11/32 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

SKU: AT-AE60619
MPN: AE60619

Save $10.26
Alfa Tools AE60620 23/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

Alfa Tools AE60620 23/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

SKU: AT-AE60620
MPN: AE60620

Save $10.95
Alfa Tools AE60621 3/8 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

Alfa Tools AE60621 3/8 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

SKU: AT-AE60621
MPN: AE60621

Save $11.56
Alfa Tools AE60622 25/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

Alfa Tools AE60622 25/64 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

SKU: AT-AE60622
MPN: AE60622

Save $11.81
Alfa Tools AE60623 13/32 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

Alfa Tools AE60623 13/32 X 6 HSS AIRCRAFT EXTENSION DRILL - Std Qty Pack 6

SKU: AT-AE60623
MPN: AE60623

Save $12.67