Overview Product Description Sharp cutting edge for smooth holes Reduced shank fits 3/8-Inch and larger drills and drill presses manufactured to exacting tolerances Produces Flat Bottom Holes Product Videos Custom Field Product Reviews Write a Review Write a Review × Irwin Tools 42936 4-Inch Extension Bore Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *
Quick view Details sku: 4935108 Irwin Tools 4935108 1/4-Inch Multi Material Drill Bit MSRP: Now: $1.67 Qty:14 Add to Cart Quick view Details sku: 49904 Irwin Industrial Tools 49904 I-100 1/4-Inch Auger Bit [Tools & Home Improvement] MSRP: Now: $3.16 Qty:368 Add to Cart Quick view Details sku: 4935460 Irwin Tools 4935460 IRWIN 4935460 1/4 in X 4 in X 6 in (4935460) MSRP: Now: $33.60 Qty:1 Add to Cart Quick view Details sku: 1892028 IRWIN Tools 1892028 Impact 4 inch TORX T25/SQ2 Double-Ended Bit MSRP: Now: $1.80 Qty:28 Add to Cart Quick view Details sku: 1892020 IRWIN Tools 1892020 Impact 4 inch TORX T20/T20 Double-Ended Bit MSRP: $16.97 Now: $1.80 Qty:40 Add to Cart ×
Quick view Details sku: 49904 Irwin Industrial Tools 49904 I-100 1/4-Inch Auger Bit [Tools & Home Improvement] MSRP: Now: $3.16 Qty:368 Add to Cart Quick view Details sku: 4935460 Irwin Tools 4935460 IRWIN 4935460 1/4 in X 4 in X 6 in (4935460) MSRP: Now: $33.60 Qty:1 Add to Cart Quick view Details sku: 1892028 IRWIN Tools 1892028 Impact 4 inch TORX T25/SQ2 Double-Ended Bit MSRP: Now: $1.80 Qty:28 Add to Cart Quick view Details sku: 1892020 IRWIN Tools 1892020 Impact 4 inch TORX T20/T20 Double-Ended Bit MSRP: $16.97 Now: $1.80 Qty:40 Add to Cart ×
Quick view Details sku: 4935460 Irwin Tools 4935460 IRWIN 4935460 1/4 in X 4 in X 6 in (4935460) MSRP: Now: $33.60 Qty:1 Add to Cart Quick view Details sku: 1892028 IRWIN Tools 1892028 Impact 4 inch TORX T25/SQ2 Double-Ended Bit MSRP: Now: $1.80 Qty:28 Add to Cart Quick view Details sku: 1892020 IRWIN Tools 1892020 Impact 4 inch TORX T20/T20 Double-Ended Bit MSRP: $16.97 Now: $1.80 Qty:40 Add to Cart ×
Quick view Details sku: 1892028 IRWIN Tools 1892028 Impact 4 inch TORX T25/SQ2 Double-Ended Bit MSRP: Now: $1.80 Qty:28 Add to Cart Quick view Details sku: 1892020 IRWIN Tools 1892020 Impact 4 inch TORX T20/T20 Double-Ended Bit MSRP: $16.97 Now: $1.80 Qty:40 Add to Cart ×
Quick view Details sku: 1892020 IRWIN Tools 1892020 Impact 4 inch TORX T20/T20 Double-Ended Bit MSRP: $16.97 Now: $1.80 Qty:40 Add to Cart