Question about Stanley Self Retracting Utility Knife

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Have a new Stanley InterLock retractable knife (10-379). Unscrewed the back, making two pieces. 3 blades included. Cannot figure how to get blade and slide mechanism in the correct positioning with only the sketch on back of packaging. I am not dumb/stupid...just a female who knows next to zero about hand tools, and other manly work items. Ha. Is there some written instructions, or more elaborate sketches to get the knife back together, blade in place, and ready for use? Thanks, Nancy

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2 Answers

I cannot figure out how to put a blade in my Stanley FatMax fixed blade utility knife. There are no instructions with the knife.


at the handel end it will pull apartthen slide the whats left of the old blade and put new won in its place just do it slowly so you dont forget how it goes

Apr 21, 2011 | Stanley Utility Knife

1 Answer

I have a stanley FatMax. How do I insert the blade into the case?


On the side there is a big gold wheel, twist counter clockwise and the case should split in half, the blade is held by a magnet, prise the old blade off and replace with new one, then put case back together and tighten gold wheel clockwise
Goodluck!

Mar 06, 2011 | Stanley Fatmax Xtreme Retractable Utility...

1 Answer

Describe how you put a blade in FatMax model 10-778


The model in your picture is a fixed blade utility knife (model 10-816). Your question asks for instructions for model 10-778, which is a retractable knife. I'll guide you through the 10-778 which you asked for, if you need instructions for the pictured 10-816 please re-post the question.

Push the thumb slide forward as far as it goes exposing the blade. Press the blade change button on the side of the knife (the small button on the left side near the blade) and pull out the old blade.
Insert the new blade and slide thumb slide back to fully engage blade in the internal lock.

Dec 26, 2010 | Stanley Fatmax Xtreme Retractable Utility...

1 Answer

Cant put the thing back together after putting in new blade !!!fat max knife


some stanley knifes require stanley blades only, or make sure the clip blade is in is seated in the grove completely.

Dec 23, 2010 | Stanley Fatmax Xtreme Retractable Utility...

2 Answers

Stanley 10-801 utility knife. How do you change the replaceble blade?


On the pivot end of the bladed knife is a black plug that says pull. They actually mean "Push". push it away from the knife body and rotate the handle half it's mounted in, down. The body will rotate in half , revealing the utility blade and more blades in the rear storage.Also note the blade depth adjustment has a locking detent. You have to push it to the right to unlock the utility blade.and push it to the right when retracting to fully retract and lock the utility blade.

Nov 26, 2010 | Stanley Garden

1 Answer

I unscrewed Stanley 10-379 Interlock retractable knife and now I don't know how to put back the gizmo that fell out or the three blades that came with it.


Google: how to change blade in Stanley 10-379 utility knife. Stanley website shows how knife & blade look on the outside. Put it together so it looks like that. Sorry, but ain't don't know how to send the picture to you.

Oct 21, 2010 | Garden

1 Answer

How do you load a new blade?


At the back end of the knive (the curved end) press the black piece through the yellow rounded part and the yellow front and the black back will part, now slide the yellow part back to reviel the blade folder. Fit new blade then refit the yellow part on top of the black part and slide the yellow part foward to lock it back in.

Jul 31, 2010 | Stanley Utility Knife

3 Answers

Just purchased a Stanley FatMax 10-778 retractable knife. Cannot figure out how to load the blade for use.


1. Make sure the side lock is unlocked.
2. Push the thumb tab all the way to the front of the blade handle.
3. Insert the blade in the opening, you may notice two notches on the top side of the blade.
4. Press the small blade release button as you slide the blade into the knife. You may have to jiggle up and down to get the two notches on the blade fully into the handle.

If properly inserted, the exposed area of the blade should look very close to an equilateral triangle.

make sure both notches of the blade are inside the handle. They notch into the thumb lever.

good luck

Mar 20, 2010 | Stanley Fatmax Xtreme Retractable Utility...

4 Answers

Stanley 10-788 how to change blade


Push the top metal button all the way foward as if pushing the blade out to it's (farthest) 3rd setting. Then push foward and down one more time which locks the mechanism down. Push and hold the yellow side button as you insert the blade. When the blade locks in all you have to do is release the yellow button and return the top slide to it is fully retracted home. The blade is loaded

Jan 14, 2010 | Hand Tools

2 Answers

Stanley 10-777 utility knife: I need to reinsert the retractable blade slide back into the knife body. I try but the knife won't close.


I had the same trouble. The blade holder was out of the knife and would not go back in. I fixed it this way: open the screw knob all the way to the least tension. Slide the two parts open but not all the way- there is a tab on the blade holder that gets in the way if you try to drop it in at the fully open position. With the two halves SLIGHTLY open- slide the blade holder in making sure that the tab is seated in it's slot. Depress the thumb tab and bring it to the most forward position and the two halves should be able to be seated together again.

Oct 27, 2009 | Stanley Hand Tools

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