10pcs 4-12/20/32mm HSS Spiral Grooved Step Drill Bit Countersink Drill Deburring

Description

HSS Spiral Grooved Step Drill Bit, 3pcs for Drill, 6pcs HSS Countersink Drill for Deburring, 5" Rubber Cap Center Punch for Marking
Product Overview
This item is only shipped to America address!
Product description:
3Pcs 4-12/4-20/4-32mm 29Sizes spiral step drill bits, also known as stepped drill or pagoda drill, mainly for wood and steel drilling processing.More steps and dense make the hole smoother;,main material high speed steel, titanium coated high quality step drill bits;1/4" Hex shaft drives are suitable for all kinds of power drills.
According to the need to process different diameter holes, you can achieve one-time processing of large holes, no need to replace the drill bit and positioning hole. The 6-piece 90 ° countersink set set with 3 cutting edges is suitable for machining on metallic as well as non-metallic material, such as Carbon steel, sheet steel, iron, aluminum, insulation, PVC, wood board (soft, hard), plastic, etc.
pecifications:diameter of the countersink top: 20.5mm,16.5mm,12.4mm,10.4mm,8.3mm,6.3mm; diameter of the bottom:10mm,10mm,8mm,6mm,6mm,5mm; length overall: 63mm,61mm,59mm,48mm,47mm,43mm; Material-high speed steel 4241
the center punch tip is made of hardened chrome vanadium steel that holds up to strong impact, wear resisting and rust proof to prolong the punch life;
Repeatable impact: the red adjustable impact cap can be increased or decreased striking force; The punch body has deeply knurled finger grip to achieve easy handling and better control by one hand
Features:
1.1/4" Hex shaft drives are suitable for all kinds of power drills.
2. Double cutting blade and spiral groove design makes for cutting faster,automatic deburring from hole when drilling.
3. 3Pcs spiral step drill bits, 4-12/4-20/4-32mm 29 Sizes,main material high speed steel, titanium coated high quality step drill bits
4. 6pcs 90°countersink set：6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, 20.5mm
5. With these high-quality countersinks, burrs are well broken and removed without creating scratches.
6.The bore heads in universal sizes are compatible with common cordless screwdrivers and drills including drill presses.
7. The 6-piece 90 ° countersink set set with 3 cutting edges is suitable for machining on metallic as well as non-metallic material, such as Carbon steel, sheet steel, iron, aluminum, insulation, PVC, wood board (soft, hard), plastic, etc.
8.the center punch tip is made of hardened chrome vanadium steel that holds up to strong impact, wear resisting and rust proof to prolong the punch life
9.Repeatable impact: the red adjustable impact cap can be increased or decreased striking force; The punch body has deeply knurled finger grip to achieve easy handling and better control by one hand
Specifications：
Measurement:
3PCS Spiral grooved drill bits:
#4-12 5 Steps (Diameter 4, 6, 8, 10, 12mm)
#4-20 9 Steps(Diameter 4, 6, 8, 10, 12, 14, 16, 18, 20mm)
#4-32 15 Steps(Diameter 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm)
6pcs90°countersink set
Size:
* 6.3mm: 6.3mm * 5mm * 37mm
* 8.3mm: 8.3mm * 6mm * 40mm
* 10.4mm: 10.4mm * 6mm * 39mm
* 12.4mm: 12.4mm * 8mm * 46mm
* 16.5mm: 16.5mm * 10mm * 47mm
* 20.5mm: 20.5mm * 10mm * 47mm
Package Included:
3*HSS Spiral grooved drill
6*90° HSS countersink set
1*5 Inch HSS center punch
Quality
All products are brand new, unused unopened and undamaged item in original retail packaging.All items will be securely packaged.
We accept any items returned in the original condition, within 30 days of receipt, for a full refund minus postage costs.
Shipping
Once your order has been processed and we have received cleared payment, we will try to dispatched your item ASAP(usually within 24hrs, Saturday, Sunday and holiday are not counted into this time scale
). All items will be shipped to buyer's Paypal address. Tracking number will be updated in 2-3 business days(sometimes will be later), item will be delivered in 3-8 business days. The estimate delivery date by ebay when you make an order may be earlier than the warehouse, please refer to the warehouse information.
Payment
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