

Greenlee GSB12 #12 1-3/8 in. Step Bit
Key item features
- Optimal Cutting: Features a patented split-step design for fast, smooth cutting and more holes per charge by optimizing chip load.
- Versatile Material: Cuts up to 10 gauge mild steel, aluminum, brass, copper, wood, fiberglass, plastics, and laminates with a durable split-point tip.
- Efficient Design: Progressive cutting edges maximize torque efficiency and minimize stalling, with a three-flat shank for 1/2-inch drill chucks.
- Durable Construction: High-speed steel construction and an improved double flute design ensure durability, superior chip evacuation, and impressive cutting speeds.
- Clear Identification: Includes convenient laser metric markings (7/8-in., 1-1/8-in., 1-7/32-in., 1-1/4-in., and 1-3/8-in.) for quick size identification.
Specs
- Cutting edge materialSteel
- SizeGreenlee
- Compatibility1/2-in. drill chucks
- Drill bit & set typeStep Drill Bits
- Piece count1
- BrandGreenlee
- Free shipping
Free 30-day returns
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About this item
Product details
Master your jobs with speed and accuracy with Greenlee GSB12 1-3/8" Step Bit #12 catalog GSB12. This power tool accessory offers the fastest and smoothest cutting with significantly more holes per charge by optimizing chip load with the patented split-step design. This multi-hole step bit has a durable split-point tip for speedy and accurate material penetration that cuts up to 10 gauge mild steel, aluminum, brass, copper, wood, fiberglass, plastics, and laminates. It features progressive cutting edges that provide a balanced aggression to maximize torque efficiency and significantly minimize stalling, and its three-flat shank works for all 1/2-inch drill chucks. The improved double flute design delivers a superior chip evacuation and impressive cutting speeds, and the step bit's high-speed steel construction provides durability for a long tool life. Additionally, the step bit tool features 7/8-inch, 1-1/8-inch, 1-7/32-inch, 1-1/4-inch, and 1-3/8-inch convenient laser metric markings for a quick and easy product and size identification. Greenlee: Professional. Nothing Less.
- 1-3/8" STEP BIT: Offers the fastest and smoothest cutting with significantly more holes per charge by optimizing chip load with the patented split-step design
- RELIABLE POWER: Durable split-point tip provides speedy and accurate material penetration that cuts up to 10 gauge mild steel, aluminum, brass, copper, wood, fiberglass, plastics, and laminates
- DESIGNED FOR CONVENIENCE: Features progressive cutting edges for a balanced aggression to maximize torque efficiency and minimize stalling and a three-flat shank for all 1/2-in. drill chucks
- HIGH-QUALITY BUILD: Improved double flute design delivers a superior chip evacuation and impressive cutting speeds, and the high-speed steel construction provides durability for a long tool life
- EASY IDENTIFICATION: Features 7/8-in., 1-1/8-in., 1-7/32-in., 1-1/4-in., and 1-3/8-in. convenient laser metric markings for a quick and easy product and size identification
Specifications
Cutting edge material
Size
Compatibility
Drill bit & set type
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Compare with similar items
| Product | Viewing this itemGreenlee GSB12 #12 1-3/8 in. Step Bit ![]() $91.05 current price $91.05 | Greenlee 2 Inch Carbide Grit Hole Saw ![]() $59.78 current price $59.78 | Greenlee Stainless Steel Drill/tap 12-24, 1/4 In X 2-1/4 In ![]() $14.99 current price $14.99 | Greenlee 34403C #3 XT Cobalt Step Bit, 3/16 inch to 7/8 inch ![]() $85.47 current price $85.47 | Keo Countersink,6 FL,100 Deg,1/2,Carbide 919-001-064 ![]() $65.48 current price $65.48 |
|---|
| Cutting edge material | SteelGreenlee GSB12 #12 1-3/8 in. Step Bit | Tungsten CarbideGreenlee 2 Inch Carbide Grit Hole Saw | SteelGreenlee Stainless Steel Drill/tap 12-24, 1/4 In X 2-1/4 In | CobaltGreenlee 34403C #3 XT Cobalt Step Bit, 3/16 inch to 7/8 inch | Tungsten CarbideKeo Countersink,6 FL,100 Deg,1/2,Carbide 919-001-064 | -LONG ZIP BIT 1/2 |
|---|---|---|---|---|---|---|
| Size | GreenleeGreenlee GSB12 #12 1-3/8 in. Step Bit | 2-InchGreenlee 2 Inch Carbide Grit Hole Saw | 12-24Greenlee Stainless Steel Drill/tap 12-24, 1/4 In X 2-1/4 In | 7/8-Inch Multi-HoleGreenlee 34403C #3 XT Cobalt Step Bit, 3/16 inch to 7/8 inch | 1/2\"Keo Countersink,6 FL,100 Deg,1/2,Carbide 919-001-064 | 1/2LONG ZIP BIT 1/2 |
| Compatibility | 1/2-in. drill chucksGreenlee GSB12 #12 1-3/8 in. Step Bit | -Greenlee 2 Inch Carbide Grit Hole Saw | Stainless SteelGreenlee Stainless Steel Drill/tap 12-24, 1/4 In X 2-1/4 In | Stainless SteelGreenlee 34403C #3 XT Cobalt Step Bit, 3/16 inch to 7/8 inch | -Keo Countersink,6 FL,100 Deg,1/2,Carbide 919-001-064 | 1/4'' or larger drillsLONG ZIP BIT 1/2 |
| Drill bit & set type | Step Drill BitsGreenlee GSB12 #12 1-3/8 in. Step Bit | Hole Saw Drill BitsGreenlee 2 Inch Carbide Grit Hole Saw | Drill BitsGreenlee Stainless Steel Drill/tap 12-24, 1/4 In X 2-1/4 In | -Greenlee 34403C #3 XT Cobalt Step Bit, 3/16 inch to 7/8 inch | Countersink Drill BitsKeo Countersink,6 FL,100 Deg,1/2,Carbide 919-001-064 | Spade Drill BitsLONG ZIP BIT 1/2 |
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