Klein Tools 631 Nut Driver Set 7-Piece
- Head Style: Hex
- Material Type: Alloy Steel
- Manufacturer Warranty Description: Klein offers a lifetime warranty on material defects and workmanship for the normal life of the product
- Color: Non-Magentic
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B0000BYEPSModel: 631Category: Screwdrivers
Overview
Klein Tools sells the 631 as a single screwdriver, with the listing data here limited to piece count and no further detail on tip type or length.
Klein Tools has a long track record in hand tools for electricians and tradespeople, though the listing here gives only the piece count and no detail on tip type, shaft length or handle style. Confirm the specific tip and length against your application before ordering.
- Klein Tools brand
- Model 631
- Sold as a single piece
- No further spec data provided
Who it's for
Buyers who already know they want a single Klein 631 screwdriver rather than a multi-piece set. Not useful for comparison shopping on tip type or length since that data is not provided.
Pros and cons
- Single-piece Klein Tools screwdriver
- No tip type, length or handle detail listed
Performance notes
With no tip type, length or shaft material listed, the practical performance of this specific screwdriver cannot be assessed from the available data beyond it being a single Klein branded unit.
Specifications
| Brand | KLEIN |
|---|---|
| Model | 631 |
| Dimensions & fit | |
| Item Dimensions | 1.5 × 7.5 × 13.5 inches |
| Head Size | 3/16, 1/4, 5/16, 11/32, 3/8, 7/16, 1/2 Inch |
| Construction & materials | |
| Material Type | Alloy Steel |
| Color | Non-Magentic |
| Included components | |
| Unit Count | 1 |
| Included Components | 630-3/16, 630-1/4, 630-5/16, 630-11/32, 630-3/8, 630-7/16, And 630-1/2. |
| Warranty & support | |
| Manufacturer Warranty Description | Klein offers a lifetime warranty on material defects and workmanship for the normal life of the product |
| Other details | |
| Head Style | Hex |
| Number Of Items | 1 |
| Recommended Uses For Product | Electrical Work, DIY Projects, Heavy-Duty Tasks Involving Various Screw Sizes And Materials |
| Special Feature | Soft Grip |
| Item Type Name | Klein Tools 631 Tool Set, Nut Driver Set W/Hex Nut Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 And 1/2-Inch On 3-Inch Full Hollow Shaft, 7-Piece |
Frequently asked questions
Is the Klein 631 sold as a set?
No, the listing shows it as a single piece.
Who makes the 631 screwdriver?
Klein Tools.