SumiDrill WDX   Type (4D) For 4D Drilling Depth Carbon Steel, Aloy Steel Tempered Hardened Steel Stainless Ti Heat-resistant Cast Ductile Aluminum Copper Composite Aurora W/ Oil Hole 4D Up to 0.28% From 0.29% Steel Up to 45HRC From 46HRC Steel Alloy Steels Iron Cast Iron Alloy Alloy CFRP Indexable G G S G G G G Coat Coat Coat Guide for machining tolerance: 0 to +0.25 Fig 4 Fig 5 Fig 6 W1 RE W1 RE W1 RE L Type G Type H Type RE RE RE L Type: Low feed, chip management G Type: General purpose H Type: Strong edge type ■ Inserts Grade Coated Carbide Application High Speed/Light N General Purpose P Steel M Stainless Steel K Cast Iron Roughing K N Non-Ferrous Metal S Exotic Alloy H Hardened Steel Cat. No. ACP100 ACP300 ACK300 DL1500 Fig Width Thickness Nose Radius Applicable Holders W1 S RE WDXT 042004-L D D D 4 WDX130D4S20 042004-G D D D D 5 4.2 2.0 0.4  to WDX150D4S20 042004-H D D D 6 WDXT 052504-L D D D 4 WDX155D4S20 052504-G D D D D 5 5.0 2.5 0.4  to WDX180D4S25 052504-H D D D 6 WDXT 063006-L D D D 4 WDX185D4S25 063006-G D D D D 5 6.0 3.0 0.6  to WDX225D4S25 063006-H D D D 6 WDXT 073506-L D D D 4 WDX230D4S25 073506-G D D D D 5 7.5 3.5 0.6  to WDX285D4S32 073506-H D D D 6 WDXT 094008-L D D D 4 WDX290D4S32 094008-G D D D D 5 9.6 4.0 0.8  to WDX360D4S40 094008-H D D D 6 WDXT 125012-L D D D 4 WDX370D4S40 125012-G D D D D 5 12.4 5.0 1.2  to WDX450D4S40 125012-H D D D 6 WDXT 156012-L D D D 4 SumiDrill WDX Type Insert Identification 156012-G D D D D 5 15.2 6.0 1.2 WDX460D4S40 WDXT 06 30 06 -G 156012-H D D D 6  to WDX550D4S40 WDXT 186012-L 4 Width Across Flats Thickness×10 Breaker Type D D D WDX560D4S40 (6.0) (3.0) 186012-G D D D 5 18.0 6.0 1.2  to WDX630D4S40 Corner Radius×10 186012-H D D D 6 (0.6) (mm) J ■ Recommended Cutting Conditions (4D) Drilling Work Recommended Recommended vc Cutting Speed f Feed Rate (mm/rev) Work Material Hardness Breaker Insert Grade (m/min) ø13.0 to ø18.0 ø18.5 to ø29.0 ø29.5 to ø36.0 ø37.0 to ø55.0 ø56.0 to ø68.0 HB Steel, Carbon Steel SS400 125 G ACP300 120-180-240 0.05-0.07-0.10 0.05-0.07-0.10 0.05-0.07-0.10 0.05-0.08-0.10 0.06-0.09-0.11 S15C 125 L ACP300 130-170-220 0.04-0.07-0.09 0.04-0.07-0.09 0.04-0.07-0.09 0.05-0.08-0.10 0.06-0.09-0.11 Solid S45C 190 G ACP300 100-150-200 0.08-0.11-0.17 0.08-0.11-0.17 0.08-0.12-0.18 0.09-0.14-0.21 0.10-0.15-0.23 Special S45C Hardened 250 G ACP100 100-170-240 0.05-0.08-0.10 0.05-0.08-0.10 0.05-0.08-0.11 0.05-0.08-0.11 0.06-0.09-0.13 S75C 270 G ACP100 120-180-240 0.06-0.08-0.11 0.06-0.08-0.11 0.06-0.09-0.13 0.07-0.11-0.14 0.08-0.11-0.15 Indexable P S75C Hardened 300 G ACP100 85-150-210 0.05-0.07-0.09 0.05-0.07-0.09 0.05-0.08-0.10 0.05-0.08-0.11 0.06-0.09-0.12 Low Alloy Steel SCM, SNCM 180 L ACP300 100-140-180 0.05-0.07-0.10 0.05-0.07-0.10 0.05-0.07-0.11 0.06-0.08-0.12 0.07-0.09-0.14 Reamer SCM, SNCM Hardened 275 G ACP100 100-170-240 0.05-0.08-0.10 0.05-0.08-0.10 0.05-0.08-0.10 0.05-0.08-0.11 0.06-0.08-0.11 Brazed SCM, SNCM Hardened 300 G ACP100 90-150-210 0.05-0.08-0.10 0.05-0.08-0.10 0.05-0.08-0.10 0.05-0.08-0.11 0.06-0.08-0.11 4D SCM, SNCM Hardened 350 G ACP100 75-120-165 0.05-0.08-0.10 0.05-0.08-0.10 0.05-0.08-0.10 0.05-0.08-0.11 0.06-0.08-0.11 Others High Alloy Steel SKD, SKT, SKH 200 G ACP100 120-180-240 0.06-0.10-0.13 0.07-0.11-0.14 0.07-0.11-0.15 0.08-0.12-0.16 0.09-0.13-0.17 SKD, SKT, SKH Hardened 325 G ACP100 100-140-180 0.05-0.08-0.10 0.05-0.08-0.10 0.05-0.08-0.10 0.05-0.08-0.11 0.06-0.08-0.11 Stainless Steel SUS403, Others (Martensite/Ferrite) 200 G ACP300 100-140-180 0.06-0.10-0.13 0.06-0.10-0.13 0.06-0.10-0.14 0.07-0.11-0.15 0.08-0.12-0.17 M SUS403, Others Martensitic (Hardened) 240 G ACP300 90-120-150 0.06-0.10-0.13 0.06-0.10-0.13 0.06-0.10-0.14 0.07-0.11-0.15 0.08-0.12-0.17 SUS304, SUS316 Austenitic 180 G ACP300 100-140-180 0.06-0.10-0.13 0.06-0.10-0.13 0.06-0.10-0.14 0.07-0.11-0.15 0.08-0.12-0.17 K Gray Cast Iron H ACK300 120-160-200 0.09-0.17-0.23 0.10-0.19-0.26 0.11-0.21-0.28 0.12-0.23-0.31 0.13-0.25-0.34 Ductile Cast Iron H ACK300 90-120-150 0.09-0.17-0.23 0.10-0.19-0.26 0.11-0.21-0.28 0.12-0.23-0.31 0.13-0.25-0.34 S Exotic Alloy (Heat Resistant Alloy, Super Alloy, Ti Alloy, etc.) 200 G ACP300 25-50-70 0.06-0.10-0.13 0.06-0.10-0.13 0.06-0.10-0.14 0.07-0.11-0.15 0.08-0.12-0.17 N Aluminum Alloy G DL1500 200-260-320 0.05-0.10-0.15 0.05-0.10-0.15 0.06-0.11-0.16 0.06-0.12-0.18 0.07-0.13-0.20 Copper Alloy G DL1500 180-230-280 0.05-0.10-0.15 0.05-0.10-0.15 0.06-0.11-0.16 0.06-0.12-0.18 0.07-0.13-0.20 With P and K, ACP100 is the second recommended insert grade when the first recommended insert grade is ACP300 or ACK300. A guide for the recommended cutting conditions when using the second recommended insert grade is to set cutting speed Vc to 130% and feed rate f to 75% of the values in the above table. Dmark: Standard stocked item Dmark: Standard stocked item (expanded item) No mark: Made-to-order item J91