No.20 Gauge (4.09mm) Double Ended Drill Bit - Black Series
These Alpha high speed steel (HSS) double ended panel drill bits have a titanium nitride coating (TiN) and are designed for use with rivets (10/box) Features: Double ended to last twice the lifetime 135° split point for fast drilling and M2 HSS for durability Titanium nitride coating to increase lubrication and reduce heat Stub double ended drill bits – quick reference Code Size Specs Qty 9D30 #30 for 3.2mm (1/8′′) rivets HSS TiN 10 9D20 #20 for 4.0mm (5/32′′) rivets HSS TiN 10 9D11 #11 for 4.8mm (3/16′′) rivets HSS TiN 10 Panel drill bits are sometimes referred to as stub drills or double enders. Single ended drill bits are also available.
These Alpha high speed steel (HSS) double ended panel drill bits have a titanium nitride coating (TiN) and are designed for use with rivets (10/box) Features: Double ended to last twice the lifetime 135° split point for fast drilling and M2 HSS for durability Titanium nitride coating to increase lubrication and reduce heat Stub double ended drill bits – quick reference Code Size Specs Qty 9D30 #30 for 3.2mm (1/8′′) rivets HSS TiN 10 9D20 #20 for 4.0mm (5/32′′) rivets HSS TiN 10 9D11 #11 for 4.8mm (3/16′′) rivets HSS TiN 10 Panel drill bits are sometimes referred to as stub drills or double enders. Single ended drill bits are also available.
These Alpha high speed steel (HSS) double ended panel drill bits have a titanium nitride coating (TiN) and are designed for use with rivets (10/box) Features: Double ended to last twice the lifetime 135° split point for fast drilling and M2 HSS for durability Titanium nitride coating to increase lubrication and reduce heat Stub double ended drill bits – quick reference Code Size Specs Qty 9D30 #30 for 3.2mm (1/8′′) rivets HSS TiN 10 9D20 #20 for 4.0mm (5/32′′) rivets HSS TiN 10 9D11 #11 for 4.8mm (3/16′′) rivets HSS TiN 10 Panel drill bits are sometimes referred to as stub drills or double enders. Single ended drill bits are also available.
These Alpha high speed steel (HSS) double ended panel drill bits have a titanium nitride coating (TiN) and are designed for use with rivets (10/box) Features: Double ended to last twice the lifetime 135° split point for fast drilling and M2 HSS for durability Titanium nitride coating to increase lubrication and reduce heat Stub double ended drill bits – quick reference Code Size Specs Qty 9D30 #30 for 3.2mm (1/8′′) rivets HSS TiN 10 9D20 #20 for 4.0mm (5/32′′) rivets HSS TiN 10 9D11 #11 for 4.8mm (3/16′′) rivets HSS TiN 10 Panel drill bits are sometimes referred to as stub drills or double enders. Single ended drill bits are also available.
in 12 offers
The lowest price for No.20 Gauge (4.09mm) Double Ended Drill Bit - Black Series right now is $5.00 at A&S Welding and Electrical, compared across 10 retailers.
The all-time low was $0.99 on 12 July 2025 — today's price is 405% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 12 May 2026.
Last updated at 12/05/2026 03:18:17
Alpha No.20 Gauge (4.09mm) Double Ended Drill Bit - Gold Series
Delivery between 14–20 May $9.70
Panel Drills Double Ended - No.20
Delivery $30
Alpha No.20 Gauge (4.09mm) Double Ended Drill Bit - Gold Series | Quality Drill Bits | Fasten Up
Delivery $15
Qty 1 Double Ended Drill Bit No.20 (5/32") Hss Panel Titanium Coated
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Alpha Double Ended Drill No.20 (5/32") Panel Hss Titanium Coated Gold
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
20 | 5/32" | 4.1mm Gold Series Hss Double Ended Panel Drill Bit Alpha
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
#20 | 5/32" | 4.1mm HSS Double Ended Panel Drill Bit Alpha 9D20
Next-day delivery $5
Drill Bit Stubby Double End No.20
Delivery between Thu – Mon $9.90
Alpha panel drills - double ended rivet drill bits - for metal (Size: #20 for 4.0mm (5/32") rivets)
Delivery between 13–19 May $15
Alpha - No.20 Gauge (4.09mm) Double Ended Drill Bit - Gold Series (Pkt 10) | 9D20
Delivery between 12–20 May $7.95
| Size | #20 | 5/32" | 4.1mm |
| Product Types | Double Ended |
| Product Brand | Alpha |
| System of Measurement | Metric |
| Brand | Alpha |
Alpha No.20 Gauge (4.09mm) Double Ended Drill Bit - Gold Series
Delivery between 14–20 May $9.70
Panel Drills Double Ended - No.20
Delivery $30
Alpha No.20 Gauge (4.09mm) Double Ended Drill Bit - Gold Series | Quality Drill Bits | Fasten Up
Delivery $15
Qty 1 Double Ended Drill Bit No.20 (5/32") Hss Panel Titanium Coated
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Alpha Double Ended Drill No.20 (5/32") Panel Hss Titanium Coated Gold
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| Size | #20 | 5/32" | 4.1mm |
| Product Types | Double Ended |
| Product Brand | Alpha |
| System of Measurement | Metric |
| Brand | Alpha |
