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Product Specifications:
| Item | Step Drill Bit |
| Application | Multi-Material Drilling |
| Coating | Aluminum Titanium Nitride |
| Coo | Cn |
| Flute Type | Straight |
| Height | 5.08 mm |
| Hts | 8207130000 |
| Included Sizes | 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2" |
| Increment | 1/32" |
| Length | 134.62 mm |
| Letter/wire Size | #1 |
| Material | High Speed Steel , Steel |
| Max. Hole Dia. | 1/2" |
| Min. Hole Dia. | 1/8" |
| No. Of Flutes | 2 |
| No. Of Hole Size | 13 |
| No. Of Holes | 13 |
| No. Of Pieces | 1 |
| Overall Height | 3.43" |
| Overall Length | 1/2" , 4.77" |
| Overall Width | 0.5" |
| Product Datasheet | klein-tools-ktsb01.pdf |
| Quick Reference | #1 |
| Rohs | Yes |
| Shank Size | 3/8" |
| Shank Type | 3/8" Hex , Hex |
| Size | 1/8" to 1/2" |
| Step Depth | 1/32" |
| Type | Step Drill Bit |
| Width | 86.36 mm |
Shipping Info:
| Ship weight (kg) | 0.07 |
| Ship height (cm) | 10.92 |
| Ship length (cm) | 23.37 |
| Ship width (cm) | 15.49 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | No. Of Hole Size | Material | Size | Overall Width | Overall Height | No. Of Holes | Quick Reference | Increment | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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KTSB03 | 9 | High Speed Steel | 1/4" to 3/4" | 0.75" | 2.8" | 9 | #3 | 1/16" | €70.70 | |
![]() |
KTSB11 | 2 | High Speed Steel | 7/8" to 1 1/8" | 1.13" | 3.22" | 2 | #11 | Varies | €98.04 | |
![]() |
KTSB14 | 12 | High Speed Steel | 3/16" to 7/8" | 0.88" | 3.2" | 12 | #14 | 1/16" | €77.90 | |
![]() |
KTSB15 | 3 | High Speed Steel | 7/8" to 1 3/8" | 1.8" | 3.6" | 3 | #15 | Varies | €126.78 |
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KLEIN TOOLS KTSB01 59101-3 Step Drill Bit, Double Fluted, #1, 1/8 - 1/2 Inch Size
€53.98 /unit




