Solid carbide twist step drill_Suzhou Fulaike Precision Tools Co., Ltd.

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Solid carbide twist step drill

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Solid carbide twist step drill

Manufacturing characteristics 1.Size and form follow FULAIKE standard for manufacturing 2.Transverse blade correction S shape, FULAIKE standard 3.Main blade point angle 140° 4.Special chip slot design, easy to remove chip 5.Blade diameter tolerance h7 6.Handle type refers to DIN6535HA h6 7.Surface treatment coating
Application characteristics Used for the processing of most materials such as structural steel, alloy steel, stainless steel, gray cast iron, ductile iron, short-cut non-ferrous metals, nickel-based alloys, titanium alloys, etc.; strong centering ability, stable dimensional accuracy and good surface quality ; Suitable for high-speed and large-feed cutting.

Sample Application

Product Description

Unit: mm

Size series	Order No.		Size feature					Thread bottom hole
dc	Outer cooling	Inner cooling	lc	lf	δ2	ds	lo	Cutting tap	Thread forming tap
3.30	DS8010-U-00330	DS8011-U-00330	11.4	20	90°	6	62	M4×0.7
3.65	DS8010-U-00365	DS8011-U-00365	11.4	20	90°	6	62		M4×0.7
4.20	DS8010-U-00420	DS8011-U-00420	13.6	28	90°	6	66	M5×0.8
4.65	DS8010-U-00465	DS8011-U-00465	13.6	28	90°	6	66		M5×0.8
5.00	DS8010-U-00500	DS8011-U-00500	16.5	34	90°	8	79	M6×1
5.50	DS8010-U-00550	DS8011-U-00550	16.5	34	90°	8	79		M6×1
6.80	DS8010-U-00680	DS8011-U-00680	21.0	47	90°	10	89	M8×1.25
7.40	DS8010-U-00740	DS8011-U-00740	21.0	47	90°	10	89		M8×1.25
8.50	DS8010-U-00850	DS8011-U-00850	25.5	55	90°	12	102	M10×1.5
9.30	DS8010-U-00930	DS8011-U-00930	25.5	55	90°	12	102		M10×1.5
10.20	DS8010-U-01020	DS8011-U-01020	30.0	60	90°	14	107	M12×1.75
11.20	DS8010-U-01120	DS8011-U-01120	30.0	60	90°	14	107		M12×1.75
12.00	DS8010-U-01200	DS8011-U-01200	34.5	65	90°	16	115	M14×2
13.20	DS8010-U-01320	DS8011-U-01320	34.5	65	90°	16	115		M14×2
14.00	DS8010-U-01400	DS8011-U-01400	38.5	73	90°	18	123	M16×2
15.10	DS8010-U-01510	DS8011-U-01510	38.5	73	90°	18	123		M16×2
15.50	DS8010-U-01550	DS8011-U-01550	43.5	79	90°	20	131	M18×2.5
16.90	DS8010-U-01690	DS8011-U-01690	43.5	79	90°	20	131		M18×2.5
17.50	DS8010-U-01750	DS8011-U-01750	47.5	89	90°	22	147	M20×2.5
18.90	DS8010-U-01890	DS8011-U-01890	47.5	89	90°	22	147		M20×2.5