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Product Specifications:
| Item | Step Drill Bit |
| Application | Multi-Material Drilling |
| Coating | Aluminum Titanium Nitride |
| Flute Type | Straight |
| Included Sizes | 7/8", 1 1/8" |
| Increment | Varies |
| Letter/wire Size | #11 |
| Material | High Speed Steel |
| Max. Hole Dia. | 1 1/8" |
| Min. Hole Dia. | 7/8" |
| No. Of Hole Size | 2 |
| No. Of Holes | 2 |
| No. Of Pieces | 1 |
| Overall Height | 3.22" |
| Overall Length | 1.13" , 3.15" |
| Overall Width | 1.13" |
| Product Datasheet | klein-tools-ktsb01.pdf |
| Quick Reference | #11 |
| Shank Size | 3/8" |
| Shank Type | 3/8" Hex , Hex |
| Size | 7/8" to 1 1/8" |
| Size/range | 7/8" and 1 1/8" |
| Type | Step Drill Bit |
Shipping Info:
| Ship weight (kg) | 0.12 |
| Ship height (cm) | 11.13 |
| Ship length (cm) | 15.24 |
| Ship width (cm) | 9.22 |
| 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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KTSB01 | 13 | Steel | 1/8" to 1/2" | 0.5" | 3.43" | 13 | #1 | 1/32" | €53.98 | |
![]() |
KTSB03 | 9 | High Speed Steel | 1/4" to 3/4" | 0.75" | 2.8" | 9 | #3 | 1/16" | €70.70 | |
![]() |
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 KTSB11 59111-2 Step Drill Bit, Double Fluted, #11, 7/8 - 1-1/8 Inch Size
€98.04 /unit




