hss twist jobber length drill
Details size Sunway could supply as following
For twist jobber length drill
Letter | Size | Total Length | Cutting Length | Letter | Size | Total Length | Cutting Length | |
A | .2340 | 3-7/8 | 2-5/8 | N | .3020 | 4-3/8 | 3-1/16 | |
B | .2380 | 4 | 2-3/4 | O | .3160 | 4-1/2 | 3-3/16 | |
C | .2420 | 4 | 2-3/4 | P | .3230 | 4-5/8 | 3-5/16 | |
D | .2460 | 4 | 2-3/4 | Q | .3320 | 4-3/4 | 3-7/16 | |
E | .2500 | 4 | 2-3/4 | R | .3390 | 4-3/4 | 3-7/16 | |
F | .2570 | 4-1/8 | 2-7/8 | S | .3480 | 4-7/8 | 3-1/2 | |
G | .2610 | 4-1/8 | 2-7/8 | T | .3580 | 4-7/8 | 3-1/2 | |
H | .2660 | 4-1/8 | 2-7/8 | U | .3680 | 5 | 3-5/8 | |
I | .2720 | 4-1/8 | 2-7/8 | V | .3770 | 5 | 3-5/8 | |
J | .2770 | 4-1/8 | 2-7/8 | W | .3860 | 5-1/8 | 3-3/4 | |
K | .2810 | 4-1/4 | 2-15/16 | X | .3970 | 5-1/8 | 3-3/4 | |
L | .2900 | 4-1/4 | 2-15/16 | Y | .4040 | 5-1/4 | 3-7/8 | |
M | .2950 | 4-3/8 | 3-1/16 | Z | .4130 | 5-1/4 | 3-7/8 |
Not all the sizes are listed . The biggest size Sunway could supply is M20
Surface: For twist jobber length drill , Sunway could fully ground it or roll forget. These are two major produce way in Sunway and the performace for grind way is better than roll way.
Color: Bright (Fully Grind without other process) , Black , Golded ( TiN-Coated), Brown ( TiALN Coated) could be chosen.
Bright | Black | TiN | TiALN |
twist jobber length drill Bright and Black : These two kind of drills are most widely used in the world ,
twist jobber length drill TiN Coated : This kind coated taps is also be used widely. In our factory , there are two kind
of TiN-Coated
1. The surface TiN-Coated , this kind of TiN-Coated is for good looking and to avoid rust.
2. The deep TiN-Coated, this kind of TiN-Coated could longer the life of the drill bits.
twist jobber length drill TiALN coated : This coated make twist drills better performance in working and longer the life of the product.
Point Angle: Two normal point angle of drills could be supplied in Sunway. 118° and 135 °
118 degree | 135 degree |
this kind of twist drill , jobber lenght drill is the normal products in the market, if other special
style drill bit need to be produced, Sunway also could do, details please contact with Steven
Packing: The normal packing way of Sunway is plastic box (oil box) + inner box + carton size
The carton size is : 33*26 *19 cm
Oil paper + inner box +carton
Plastic box + inner box + carton
other specialized packing also could be supplied after supply us the detials.
Delivery Time : 45-50days after the order is confirmed.
Payment way: 30%T/T advance and others before shipment.