HSS Asme skruemaskinbor
Produktvisning

Skrumaskinborkroner har en blank, glatt overflate for forbedret sponavgang og en middels spiralformet struktur for stabile boreforhold. Belagte solide hardmetallkonstruksjoner borer tre til fem ganger dypere enn HSS-bor, noe som ofte eliminerer behovet for opprømming og punktboring. For best ytelse og lang levetid anbefales det å bruke et passende smøremiddel/skjæreolje eller et passende kjølevæske. Skrumaskinborkroner har kortere spor og en kortere totallengde, noe som gjør dem stivere enn maskineringsborkroner, noe som reduserer nedbøyning og brudd.
Maskinborekronens lengde er 5/8 av den normale prosesseringslengden til en borekrone. Disse kortere borekronene er egnet for små dreiebenker og små fresemaskiner der verktøyavstanden er kort. Andre bruksområder inkluderer bærbar boring av tøffe, harde materialer. For bærbar eller mekanisk boring i hardt stål, rustfritt stål og andre harde materialer. HSS-modeller er best egnet til boring i stål, støpejern eller andre legerte eller ulegerte jernholdige materialer, men de er også egnet for en rekke ikke-jernholdige og ikke-metalliske materialer.
D D L2 L1 | D D L2 L1 | D D L2 L1 | |||||||||||
3/64 | .0469 | 1/2 | 1-3/8 | #10 | .1935 | 1-3/16 | 2-1/4 | #49 | .0730 | 16. november | 1-11/16 | ||
1/16 | .0625 | 5/8 | 1-5/8 | #11 | .1910 | 1-3/16 | 2-1/4 | #50 | .0700 | 16. november | 1-11/16 | ||
5/64 | .0781 | 16. november | 1-11/16 | #12 | .1890 | 1-3/16 | 2-1/4 | #51 | 0,067C | 16. november | 1-11/16 | ||
3/32 | .0938 | 3/4 | 1-3/4 | #13 | .1850 | 1-1/8 | 2-3/16 | #52 | .0635 | 16. november | 1-11/16 | ||
7/64 | .1094 | 13/16 | 1-13/16 | #14 | .1820 | 1-1/8 | 2-3/16 | #53 | .0595 | 5/8 | 1-5/8 | ||
1/8 | .1250 | 7/8 | 1-7/8 | #15 | .1800 | 1-1/8 | 2-3/16 | #54 | .0550 | 5/8 | 1-5/8 | ||
9164 | .1406 | 15/16 | 1-15/16 | #16 | .1770 | 1-1/8 | 2-3/16 | #55 | .0520 | 5/8 | 1-5/8 | ||
5/32 | .1562 | 1 | 2-1/16 | #17 | .1730 | 1-1/8 | 2-3/16 | #56 | .0465 | 1/2 | 1-3/8 | ||
11/64 | .1719 | 1-1/16 | 2-1/8 | #18 | .1695 | 1-1/16 | 2-1/8 | #57 | .0430 | 1/2 | 1-3/8 | ||
16. mars | .1875 | 1-1/8 | 2-3/16 | #19 | .1660 | 1-1/16 | 2-1/8 | #58 | .0420 | 1/2 | 1-3/8 | ||
13/64 | .2031 | 1-3/16 | 3-1/4 | #20 | .1610 | 1-1/16 | 2-1/8 | #59 | .0410 | 1/2 | 1-3/8 | ||
7/32 | .2188 | 1-1/4 | 2-3/8 | #21 | .1590 | 1-1/16 | 2-1/8 | #60 | .0400 | 1/2 | 1-3/8 | ||
15/64 | .2344 | 1-5/16 | 2-7/16 | #22 | .1570 | 1-1/16 | 2-1/8 | A | .2340 | 1-15/16 | 2-7/16 | ||
1/4 | .2500 | 1-3/8 | 2-1/2 | #23 | .1540 | 1 | 2-1/16 | B | .2380 | 1-3/8 | 2-1/2 | ||
17/64 | .2656 | 1-7/16 | 2-5/8 | #24 | .1520 | 1 | 2-1/16 | C | .2420 | 1-3/8 | 2-1/2 | ||
32. september | .2812 | 1-1/2 | 2-11/16 | #25 | .1495 | 1 | 2-1/16 | D | .2460 | 1-3/8 | 2-1/2 | ||
19/64 | .2969 | 1-9/16 | 2-3/4 | #26 | .1470 | 1 | 2-1/16 | E | .2500 | 1-3/8 | 2-1/2 | ||
16. mai | .3125 | 1-5/8 | 2-13/16 | #27 | .1440 | 1 | 2-1/16 | F | .2570 | 1-7/16 | 2-5/8 | ||
21/64 | .3281 | 1-11/16 | 2-15/16 | #28 | .1405 | 15/16 | 1-15/16 | G | .2610 | 1-7/16 | 2-5/8 | ||
32. november | .3438 | 1-11/16 | 3 | #29 | .1360 | 15/16 | 1-15/16 | H | .2660 | 1-1/2 | 2-11/16 | ||
23/64 | .3594 | 1-3/4 | 3-1/16 | #30 | .1285 | 15/16 | 1-15/16 | 1 | .2720 | 1-1/2 | 2-11/16 | ||
3/8 | .3750 | 1-13/16 | 3-1/8 | #31 | .1200 | 7/8 | 1-7/8 | J | .2770 | 1-1/2 | 2-11/16 | ||
25/64 | .3906 | 1-7/8 | 3-1/4 | #32 | .1160 | 7/8 | 1-7/8 | K | .2810 | 1-1/2 | 2-11/16 | ||
13/32 | .4062 | 1-15/16 | 3-5/16 | #33 | .1130 | 7/8 | 1-7/8 | L | .2900 | 1-9/16 | 2-3/4 | ||
27/64 | .4219 | 2 | 3-3/8 | #34 | .1110 | 7/8 | 1-7/8 | M | .2950 | 1-9/16 | 2-3/4 | ||
16. juli | .4375 | 2-1/16 | 3-7/16 | #35 | .1100 | 7/8 | 1-7/8 | N | .3020 | 1-5/8 | 2-13/16 | ||
29/64 | .4531 | 2-1/8 | 3-9/16 | #36 | .1065 | 13/16 | 1-13/16 | 0 | .3160 | 1-11/16 | 2-15/16 | ||
15/32 | .4688 | 2-1/8 | 3-5/8 | #37 | .1040 | 13/16 | 1-13/16 | P | .3230 | 1-11/16 | 2-15/16 | ||
31/64 | .4844 | 2-3/16 | 3-11/16 | #38 | .1015 | 13/16 | 1-13/16 | Q | .3320 | 1-11/16 | 3 | ||
1/2 | .5000 | 2-1/4 | 3-3/4 | #39 | .0995 | 13/16 | 1-13/16 | R | .3390 | 1-11/16 | 3 | ||
#1 | .2280 | 1-5/16 | 2-7/16 | #40 | .0980 | 13/16 | 1-13/16 | S | .3480 | 1-3/4 | 3-1/16 | ||
#2 | .2210 | 1-5/16 | 2-7/16 | #41 | .0960 | 13/16 | 1-13/16 | T | .3580 | 1-3/4 | 3-1/16 | ||
#3 | .2130 | 1-1/4 | 2-3/8 | #42 | .0935 | 3/4 | 1-3/4 | U | .3680 | 1-13/16 | 3-3/8 | ||
#4 | .2090 | 1-1/4 | 2-3/8 | #43 | .0890 | 3/4 | 1-3/4 | V | .3770 | 1-7/8 | 3-1/4 | ||
#5 | .2055 | 1-1/4 | 2-3/8 | #44 | .8660 | 3/4 | 1-3/4 | W | .3860 | 1-7/8 | 3-1/4 | ||
#6 | .2040 | 1-1/4 | 2-3/8 | #45 | .0820 | 3/4 | 1-3/4 | X | .3970 | 1-15/16 | 3-15/16 | ||
#7 | .2010 | 1-3/16 | 2-1/4 | #46 | .0810 | 3/4 | 1-3/4 | Y | .4040 | 1-15/16 | 3-15/16 | ||
#8 | .1990 | 1-3/16 | 2-1/4 | #47 | .0785 | 16. november | 1-11/16 | Z | .4130 | 2 | 3-3/8 | ||
#9 | .1960 | 1-3/16 | 2-1/4 | #48 | .0760 | 16. november | 1-11/16 |