1FL | Solid Carbide | Inch & Metric
Self-locating carbide reamers for ferrous materials
Tool Features
Carbide, 1FL, 0° Helix, h6, AlTiN
Series 4050 Overview
- Precise - Accurate - Concentric
- Micrograin carbide substrate for wear resistance
- Burnishing pad for mirror-like finishes
- Proprietary geometry ensures perfect straightness
- Available in stocked sizes for press and slip fit applications
- >0.6240 has reduced shank
Series Lineup

PAC Reamer
Series 4050
1 Flute Carbide Reamer
Carbide, 1FL, 0° Helix, h6, AlTiN
P1
P2
P3
M1
M2
K1
H1
Work Materials
P1
P2
P3
M1
M2
K1
H1
Technical Specifications
Resources
Product Offering
Part Number | diasize | diadec | loc_in_display | reach_in_display | oal_in_display | shank_dia_in_display | pac_drill_size | Stock | List Price |
---|---|---|---|---|---|---|---|---|---|
427134 | 4.7879mm | 0.1885 | (1.50) 1-1/2 | (4) 4 | (.1875) 3/16 | 4.0mm | 0 | $174.98 | |
427136 | 5.975mm | 0.2352 | 5.5mm | 28 | $175.93 | ||||
427151 | 6.3373mm | 0.2495 | (1.50) 1-1/2 | (4) 4 | (.2500) 1/4 | 6.0mm | 16 | $197.56 | |
427115 | 3.1623mm | 0.1245 | (1) 1 | (3) 3 | (.1250) 1/8 | 2.5mm | 16 | $141.11 | |
427122 | 3.1877mm | 0.1255 | (1) 1 | (3) 3 | (.1250) 1/8 | 2.5mm | 13 | $141.11 | |
427123 | 3.2004mm | 0.1260 | (1) 1 | (3) 3 | (.1250) 1/8 | 2.5mm | 10 | $141.11 | |
427142 | 6.013mm | 0.2367 | 5.5mm | 3 | $175.93 | ||||
427173 | 7.9375mm | 0.3125 | (1.50) 1-1/2 | (4) 4 | (.3125) 5/16 | 7.5mm | 23 | $202.6 | |
427164 | 7.9121mm | 0.3115 | (2) 2 | (6) 6 | (.3125) 5/16 | 7.5mm | 7 | $237.07 | |
427126 | 4.7371mm | 0.1865 | (1.50) 1-1/2 | (4) 4 | (.1875) 3/16 | 4.0mm | 13 | $174.98 | |
427161 | 6.3754mm | 0.2510 | (1.50) 1-1/2 | (4) 4 | (.2500) 1/4 | 6.0mm | 5 | $197.56 | |
427179 | 7.9502mm | 0.3130 | (2) 2 | (6) 6 | (.3125) 5/16 | 7.5mm | 8 | $237.07 | |
427127 | 4.7498mm | 0.1870 | (1.50) 1-1/2 | (4) 4 | (.1875) 3/16 | 4.0mm | 15 | $174.98 | |
427131 | 4.7752mm | 0.1880 | (1.50) 1-1/2 | (4) 4 | (.1875) 3/16 | 4.0mm | 7 | $174.98 | |
427196 | 7.987mm | 0.3144 | 7.5mm | 4 | $244.6 | ||||
427147 | 6.3246mm | 0.2490 | (1.50) 1-1/2 | (4) 4 | (.2500) 1/4 | 6.0mm | 6 | $197.56 | |
427154 | 6.35mm | 0.2500 | (1.50) 1-1/2 | (4) 4 | (.2500) 1/4 | 6.0mm | 13 | $197.56 | |
427170 | 7.9248mm | 0.3120 | (2) 2 | (6) 6 | (.3125) 5/16 | 7.5mm | 13 | $237.07 | |
427177 | 7.9375mm | 0.3125 | (2) 2 | (6) 6 | (.3125) 5/16 | 7.5mm | 5 | $237.07 | |
427181 | 7.9629mm | 0.3135 | (1.50) 1-1/2 | (4) 4 | (.3125) 5/16 | 7.5mm | 13 | $202.6 | |
427185 | 7.975mm | 0.3140 | 7.5mm | 42 | $205.93 | ||||
427192 | 7.987mm | 0.3144 | 7.5mm | 33 | $205.93 | ||||
427188 | 7.975mm | 0.3140 | 7.5mm | 5 | $244.6 | ||||
427202 | 8.013mm | 0.3155 | 7.5mm | 17 | $205.93 | ||||
427199 | (.3149) 8.0mm | 0.3150 | 7.5mm | 6 | $244.6 | ||||
427168 | 7.9248mm | 0.3120 | (1.50) 1-1/2 | (4) 4 | (.3125) 5/16 | 7.5mm | 27 | $202.6 | |
427222 | 9.525mm | 0.3750 | (1.50) 1-1/2 | (4) 4 | (.3750) 3/8 | 9.0mm | 6 | $219.51 | |
427229 | 9.5377mm | 0.3755 | (2) 2 | (6) 6 | (.3750) 3/8 | 9.0mm | 18 | $281.47 | |
427242 | 10.013mm | 0.3942 | 9.5mm | 35 | $299.16 | ||||
427239 | 10.0mm | 0.3937 | 9.5mm | 26 | $299.16 | ||||
427137 | 5.987mm | 0.2357 | 5.5mm | 12 | $175.93 | ||||
427145 | 6.025mm | 0.2372 | 5.5mm | 29 | $175.93 | ||||
427207 | 8.025mm | 0.3159 | 7.5mm | 1 | $244.6 | ||||
427219 | 9.5123mm | 0.3745 | (2) 2 | (6) 6 | (.3750) 3/8 | 9.0mm | 7 | $281.47 | |
427243 | 10.025mm | 0.3947 | 9.5mm | 18 | $299.16 | ||||
427266 | 12.013mm | 0.4730 | 11.5mm | 26 | $349.03 | ||||
427269 | 12.025mm | 0.4734 | 11.5mm | 30 | $349.03 | ||||
427250 | 11.0998mm | 0.4370 | (2) 2 | (6) 6 | (.4375) 7/16 | 10.5mm | 3 | $319.85 | |
427210 | 9.4996mm | 0.3740 | (1.50) 1-1/2 | (4) 4 | (.3750) 3/8 | 9.0mm | 8 | $219.51 | |
427252 | 11.1125mm | 0.4375 | (2) 2 | (6) 6 | (.4375) 7/16 | 10.5mm | 2 | $319.85 | |
427257 | 11.975mm | 0.4715 | 11.5mm | 6 | $349.03 | ||||
427271 | 12.6746mm | 0.4990 | (2) 2 | (6) 6 | (.5000) 1/2 | 12mm | 17 | $346.2 | |
427289 | (.5512) 14.0mm | 0.5512 | 13.5mm | 3 | $400.43 | ||||
427233 | 9.5504mm | 0.3760 | (2) 2 | (6) 6 | (.3750) 3/8 | 9.0mm | 34 | $281.47 | |
427258 | 11.987mm | 0.4719 | 11.5mm | 6 | $349.03 | ||||
427255 | 11.1252mm | 0.4380 | (2) 2 | (6) 6 | (.4375) 7/16 | 10.5mm | 18 | $319.85 | |
427256 | 11.1379mm | 0.4385 | (2) 2 | (6) 6 | (.4375) 7/16 | 10.5mm | 9 | $319.85 | |
427235 | 9.975mm | 0.3927 | 9.5mm | 61 | $299.16 | ||||
427130 | 4.7625mm | 0.1875 | (1.50) 1-1/2 | (4) 4 | (.1875) 3/16 | 4.0mm | 21 | $174.98 | |
427141 | (.2362) 6.0mm | 0.2362 | 5.5mm | 16 | $175.93 | ||||
427157 | 6.3627mm | 0.2505 | (1.50) 1-1/2 | (4) 4 | (.2500) 1/4 | 6.0mm | 18 | $197.56 | |
427247 | 11.0871mm | 0.4365 | (2) 2 | (6) 6 | (.4375) 7/16 | 10.5mm | 10 | $319.85 | |
427279 | 12.7254mm | 0.5010 | (2) 2 | (6) 6 | (.5000) 1/2 | 12mm | 0 | $346.2 | |
427285 | 13.987mm | 0.5507 | 13.5mm | 7 | $400.43 | ||||
427182 | 7.9629mm | 0.3135 | (2) 2 | (6) 6 | (.3125) 5/16 | 7.5mm | 7 | $237.07 | |
427262 | (.4724) 12.0mm | 0.4724 | 11.5mm | 25 | $349.03 | ||||
427293 | 14.013mm | 0.5517 | 13.5mm | 5 | $400.43 | ||||
427302 | 15.8623mm | 0.6245 | (2) 2 | (6) 6 | (.5625) 9/16 | 15mm | 18 | $474.14 | |
427281 | 13.975mm | 0.5502 | 13.5mm | 6 | $400.43 | ||||
427324 | (.6299) 16.0mm | 0.6299 | 15.5mm | 19 | $508.01 | ||||
427273 | 12.6873mm | 0.4995 | (2) 2 | (6) 6 | (.5000) 1/2 | 12mm | 21 | $346.2 | |
427277 | 12.7127mm | 0.5005 | (2) 2 | (6) 6 | (.5000) 1/2 | 12mm | 4 | $346.2 | |
427333 | 19.0246mm | 0.7490 | (2) 2 | (6) 6 | (.6250) 5/8 | 18.5mm | 9 | $671.7 | |
427339 | 19.05mm | 0.7500 | (2) 2 | (6) 6 | (.6250) 5/8 | 18.5mm | 3 | $671.7 | |
427163 | 7.9121mm | 0.3115 | (1.50) 1-1/2 | (4) 4 | (.3125) 5/16 | 7.5mm | 8 | $202.6 | |
427178 | 7.9502mm | 0.3130 | (1.50) 1-1/2 | (4) 4 | (.3125) 5/16 | 7.5mm | 11 | $202.6 | |
427305 | 15.875mm | 0.6250 | (2) 2 | (6) 6 | (.5625) 9/16 | 15mm | 25 | $474.14 | |
427329 | 16.025mm | 0.6309 | 15.5mm | 21 | $508.01 | ||||
427206 | 8.025mm | 0.3159 | 7.5mm | 45 | $205.93 | ||||
427214 | 9.4996mm | 0.3740 | (2) 2 | (6) 6 | (.3750) 3/8 | 9.0mm | 21 | $281.47 | |
427198 | (.3149) 8.0mm | 0.3150 | 7.5mm | 26 | $205.93 | ||||
427204 | 8.013mm | 0.3155 | 7.5mm | 0 | $244.6 | ||||
427225 | 9.525mm | 0.3750 | (2) 2 | (6) 6 | (.3750) 3/8 | 9.0mm | 32 | $281.47 | |
427226 | 9.5377mm | 0.3755 | (1.50) 1-1/2 | (4) 4 | (.3750) 3/8 | 9.0mm | 0 | $219.51 | |
427231 | 9.5504mm | 0.3760 | (1.50) 1-1/2 | (4) 4 | (.3750) 3/8 | 9.0mm | 6 | $219.51 | |
427238 | 9.987mm | 0.3932 | 9.5mm | 42 | $299.16 | ||||
427215 | 9.5123mm | 0.3745 | (1.50) 1-1/2 | (4) 4 | (.3750) 3/8 | 9.0mm | 4 | $219.51 | |
427312 | 15.9004mm | 0.6260 | (2) 2 | (6) 6 | (.5625) 9/16 | 15mm | 21 | $474.14 | |
427275 | 12.7mm | 0.5000 | (2) 2 | (6) 6 | (.5000) 1/2 | 12mm | 38 | $346.2 | |
427316 | 15.975mm | 0.6289 | 15.5mm | 13 | $508.01 | ||||
427297 | 14.025mm | 0.5522 | 13.5mm | 8 | $400.43 | ||||
427308 | 15.8877mm | 0.6255 | (2) 2 | (6) 6 | (.5625) 9/16 | 15mm | 11 | $474.14 | |
427344 | 19.0754mm | 0.7510 | (2) 2 | (6) 6 | (.6250) 5/8 | 18.5mm | 14 | $671.7 | |
427300 | 15.8496mm | 0.6240 | (2) 2 | (6) 6 | (.5625) 9/16 | 15mm | 8 | $474.14 | |
427320 | 15.987mm | 0.6294 | 15.5mm | 8 | $508.01 | ||||
427325 | 16.013mm | 0.6304 | 15.5mm | 1 | $508.01 | ||||
427341 | 19.0627mm | 0.7505 | (2) 2 | (6) 6 | (.6250) 5/8 | 18.5mm | 2 | $671.7 | |
427337 | 19.0373mm | 0.7495 | (2) 2 | (6) 6 | (.6250) 5/8 | 18.5mm | 13 | $671.7 |