#21 (.1590") Screw Machine Drill Bit (PACK OF 12), High Speed Steel

Model #: SMRN-21BP

Price: $7.80

Description: #21 HS Screw Machine Drill (PACK OF 12) WT:122-106

• Size: 21
• Flute Length: 1 1/16"
• Overall Length: 2 1/8"
• Short length drill bits, often used in screw machines.
• Decimal Equivalent: .159"

Often called "stub drills".
Shank is the same diameter as cutting diameter.
High speed steel.
Please note: Screw Machine Drill bits may be bright finished or black oxide, depending on stock.